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Exploration Flight Test-1

Exploration Flight Test-1 (EFT-1) was an uncrewed test flight conducted by on December 5, 2014, to evaluate the Multi-Purpose Crew Vehicle's design, systems, and performance in space, marking the spacecraft's debut launch aboard a rocket from Air Force Station in . The mission's primary objectives included demonstrating 's space-worthiness, testing its during high-speed atmospheric re-entry, and validating key subsystems such as , attitude control, separation mechanisms, and parachutes to gather data for reducing risks in future crewed missions. Launched at 7:05 a.m. , EFT-1 followed a suborbital trajectory that reached an apogee of 3,597.8 miles (5,786 kilometers) above after two orbits, simulating deep-space conditions while avoiding full orbital insertion to expedite the test. During re-entry, Orion traveled at approximately 20,000 miles per hour (32,000 kilometers per hour) and endured temperatures up to 4,000°F (2,200°C) on its , which successfully protected the capsule as it descended through 400,000 feet of atmosphere. The flight lasted 4 hours, 24 minutes, and 46 seconds, culminating in a parachute-assisted in the about 640 miles southeast of , , where the capsule was recovered by the USS Anchorage. All major objectives were achieved, with the mission providing critical engineering data that confirmed the functionality of 's thermal protection system, hardware separations, and recovery procedures, while identifying minor design refinements for subsequent flights like . represented a pivotal step in 's journey to return humans to the Moon and explore Mars, validating technologies essential for the spacecraft's role in the .

Background and Objectives

Mission Overview

Exploration Flight Test-1 (EFT-1) was NASA's first uncrewed orbital test flight of the crew module, designed to verify the spacecraft's fundamental capabilities for future human exploration beyond . Launched on December 5, 2014, at 7:05 a.m. , the mission utilized a rocket from Space Launch Complex 37B at Air Force Station in . The flight lasted 4 hours, 24 minutes, and 46 seconds, completing two orbits of with a perigee of approximately 200 km and an apogee reaching 5,800 km (3,600 miles). The mission profile emphasized a high-energy reentry to simulate conditions encountered during deep-space return trajectories, with the crew module entering Earth's atmosphere at 8.9 km/s (20,000 mph) and experiencing peak temperatures of 2,200 °C (4,000 °F). This rigorous test environment was critical for evaluating the heat shield's performance under extreme aerodynamic heating, far exceeding the stresses of reentries. Overall, EFT-1 aimed to validate key Orion crew module systems, including avionics, propulsion, and recovery mechanisms, to mitigate risks for subsequent crewed missions in NASA's . The crew module flown on EFT-1, designated as the first Orion flight test crew module and built by , incorporated flight-qualified components to represent a production vehicle. This approach allowed and , the prime contractor, to gather comprehensive data on structural integrity and subsystem interactions in a real . By achieving these objectives, EFT-1 established a foundational for 's evolution into a reliable for lunar and Mars missions.

Development Context

The Orion spacecraft program originated as the (CEV) under NASA's , which was initiated in to support human missions to the Moon, Mars, and beyond as part of the . The , including the CEV component awarded to in 2006, was canceled in 2010 following the Augustine Committee's review and subsequent policy shifts. The NASA Authorization Act of 2010 preserved limited funding for Orion's development, redirecting it toward deep-space exploration capabilities separate from the , which focused on low-Earth orbit access via private partnerships. This separation ensured Orion's evolution into the Multi-Purpose Crew Vehicle (MPCV) for missions beyond low-Earth orbit, such as lunar and Mars expeditions. Development of the Exploration Flight Test-1 (EFT-1) built on prior ground and suborbital tests to validate key systems. The Pad Abort-1 (PA-1) test in May 2010 successfully demonstrated the launch abort system's ability to separate the crew module from the launch pad in an emergency. Planning for the Ascent Abort-2 (AA-2) test, which would evaluate abort performance during ascent and was later conducted in 2019, overlapped with EFT-1 preparations to inform abort motor refinements and overall safety protocols. For EFT-1, a non-functional service module mockup was employed to replicate mass, size, and structural interfaces without operational propulsion, allowing focus on the crew module's performance during ascent and reentry; this mockup was built by and was part of the Orion stack that separated from the upper stage after the second orbit. The launch abort system configuration included a jettisonable fairing and an active jettison motor for nominal separation, but featured an inert abort motor and attitude control motors, as the test emphasized uncrewed nominal ascent rather than abort scenarios. EFT-1 received approval under the post-2010 framework with a dedicated of $370 million, covering the spacecraft, Delta IV Heavy launch vehicle, and supporting hardware. Originally targeted for launch in 2013, the faced delays to December 2014 due to technical development challenges, including and adjustments following the Constellation cancellation.

Preparation

Vehicle Assembly

The crew module for Exploration Flight Test-1 (EFT-1), designated CM-001, was constructed by as the flight test article at NASA's in New Orleans, , with manufacturing beginning in 2011. The module incorporated flight-representative and was completed with its final friction stir weld in late June 2012, prior to shipment. It featured an ablative consisting of Avcoat material injected into a , following an Apollo-era one-piece design. In July 2012, the crew module arrived at NASA's in for final outfitting and integration in the Neil A. Armstrong Operations and Checkout Building. There, technicians installed the , mated the module to a dummy service module simulating the European Space Agency-provided hardware, and integrated components of the launch abort system, including an inert attitude control motor to verify separation dynamics without full propulsion. This assembly focused on structural and systems integration unique to the uncrewed test configuration, excluding full crew interfaces such as and seating to prioritize data collection over human-rated features. Key qualification testing emphasized environmental robustness and thermal protection. The heat shield underwent arc jet testing at NASA's and to simulate reentry conditions up to 4,000°F (2,200°C), confirming its performance and for high-speed entry profiles. The integrated vehicle also completed environmental evaluations, including and acoustic testing to replicate launch loads, as well as electromagnetic interference assessments. These tests validated over 1,000 engineering parameters via onboard data recorders, providing critical on structural responses and subsystem performance without crew monitoring systems. Rocket integration occurred at Space Launch Complex 37B on Cape Canaveral Air Force Station, where the Orion stack was mated to a United Launch Alliance Delta IV Heavy vehicle configured with a 5-meter-diameter fairing for payload protection. Stacking began in October 2014, with the core vehicle rolled out to the pad on October 1 and the Orion spacecraft adapter and upper stage assembly added in November, culminating in full vehicle integration by late November. This process confirmed interface compatibility between the spacecraft and the heavy-lift booster, tailored for the mission's high-apogee trajectory.

Launch Preparation and Attempts

The launch campaign for Exploration Flight Test-1 commenced in October 2014 at Cape Canaveral's Space Launch Complex 37B, with the Delta IV Heavy rocket rolled out and erected on the pad on October 1 to initiate processing activities. The Orion spacecraft arrived at the pad on November 12, where it underwent final integration checks before being mated to the rocket, completing the full vehicle stack later that month. A comprehensive dress rehearsal simulating the countdown and fueling procedures was conducted on November 25, involving coordinated simulations of launch operations. Ground operations were managed by (ULA) for the rocket, with and handling Orion-specific preparations, including system verifications and interface testing. More than 1,000 personnel from these organizations participated in the effort, conducting technical checks on , , and environmental systems to ensure operational readiness. The initial launch attempt on December 4, 2014, advanced through early phases but was scrubbed approximately 10 minutes prior to the planned 7:05 a.m. liftoff due to faulty hydrogen fill-and-drain valves on the rocket's boosters that failed to close during loading. Compounding the issue, marginal weather conditions—including strong surface winds exceeding limits and anvil clouds posing risks under rules—prevented resolution within the . NASA's standard launch commit criteria prohibited liftoff if cumulonimbus clouds were present within 10 nautical miles of the flight path or if the at the site exceeded ±1 kV/m in the preceding 15 minutes. Backup planning incorporated a 24-hour turnaround capability to facilitate quick issue resolution and recycling of the countdown, allowing the mission to retarget for December 5 without additional scrubs. This approach minimized disruptions, enabling the successful launch on the subsequent day.

Mission Execution

Launch Sequence

The Exploration Flight Test-1 (EFT-1) mission commenced with liftoff on December 5, 2014, at 7:05:05 a.m. EST (12:05:05 UTC) from Space Launch Complex 37B at Cape Canaveral Air Force Station, Florida. The Delta IV Heavy launch vehicle, consisting of three Common Booster Cores each powered by an RS-68A engine, generated approximately 2.1 million pounds of thrust from the liquid hydrogen/liquid oxygen engines. This configuration enabled the Orion spacecraft to ascend rapidly, with the vehicle passing through maximum dynamic pressure (Max-Q) at T+1 minute 23 seconds, marking the point of highest aerodynamic stress during the atmospheric phase. As the ascent progressed, the outboard Common Booster Cores were jettisoned at T+3 minutes 56 seconds following burnout of their RS-68A engines, reducing mass while the center core continued propulsion. The center Common Booster Core achieved main engine cutoff at T+5 minutes 30 seconds, with separation occurring 3 seconds later, after which the Delta Cryogenic Second Stage (DCSS) upper stage's RL10B-2 engine ignited at T+5 minutes 49 seconds for an 11-minute, 50-second burn. During this phase, the payload fairing panels were jettisoned at approximately T+3 minutes 50 seconds to expose the Orion spacecraft, and the Launch Abort System tower was separated at T+6 minutes 20 seconds using pyrotechnic devices, all performing nominally to streamline the stack. The first upper stage burn concluded at second engine cutoff-1 (SECO-1) at T+17 minutes 39 seconds, inserting Orion into an initial parking orbit of approximately 185 by 888 kilometers (115 by 552 statute miles) at a 28.8-degree inclination. Following a roughly 1 hour 38 minute coast period, the upper stage executed a second starting at T+1 hour 55 minutes 26 seconds, lasting 4 minutes 45 seconds, to raise the orbit's apogee for the test profile. This ended at SECO-2 at T+2 hours 0 minutes 9 seconds, achieving the mission's orbital insertion with still attached to the upper stage; all attitude control thrusters and separation pyrotechnics functioned as planned during these events. Real-time data, including vehicle performance and environmental metrics, was transmitted via NASA's Tracking and Data Relay Satellite System (TDRSS) constellation, enabling ground teams at NASA's to monitor the ascent without interruption and confirm nominal dynamics throughout. The overall ascent performance met or exceeded pre-flight predictions, providing critical validation of the launch vehicle's integration with .

Orbital Operations

Following orbit insertion, the Orion spacecraft entered its first orbit at an altitude of approximately 185 by 889 kilometers. During this phase, the (RCS) thrusters were activated to demonstrate attitude control, maintaining the vehicle's orientation for thermal conditioning by rotating it broadside to the velocity vector. Concurrently, black-box testing was conducted to verify the navigation and guidance systems, including inertial measurement units and receivers, which performed within specifications exceeding the required 0.4-degree accuracy. Following the second upper stage burn concluding at SECO-2 (T+2 hours 0 minutes 9 seconds), the apogee was raised to 5,800 kilometers. During the coast phase, RCS thrusters were fired to demonstrate attitude control. This highly elliptical second orbit allowed for extended exposure to deep-space conditions, replicating aspects of future lunar return trajectories. No propulsion anomalies were observed during these operations, confirming the reliability of the RCS cluster. In the second orbit, Orion underwent high-altitude radiation exposure testing to assess the resilience of its electronics against the Van Allen belts, with sensors monitoring intra-vehicular radiation levels. Non-functional demonstrations included the deployment of a notional mechanism and array covers, validating mechanical interfaces without operational power. Over 600 gigabytes of data were collected on key subsystems, including thermal protection performance, structural integrity, and environmental control and systems. Ground teams at 's provided command uplinks for nominal and contingency operations, ensuring autonomous flight software integration with real-time monitoring. Onboard cameras streamed live views of and space, broadcast via NASA TV, enabling public observation of the spacecraft's orbital path and system checks.

Reentry and Splashdown

The reentry phase of Exploration Flight Test-1 commenced at T+3:58:00, marking the spacecraft's transition from its orbital trajectory—reached following a brief reference to the mission's apogee in prior operations—into 's atmosphere to simulate deep-space return conditions. Peak heating was encountered at T+4:10:00, during which the Avcoat underwent controlled to dissipate thermal loads exceeding 4,000°F (2,200°C), while a sheath induced a lasting 3.5 minutes. Deceleration occurred primarily through aerodynamic , reducing the spacecraft's from 8.9 km/s at entry to speeds, with peak loads reaching approximately 8 g to validate the structural integrity under high-energy entry profiles akin to lunar returns. This sequence successfully demonstrated the heat shield's ability to protect critical systems without , providing essential data for subsequent crewed missions. The parachute deployment initiated at T+4:18:00 with two parachutes unfurling at 30,000 ft (9,144 m) to stabilize and further slow the descent, followed by the three main parachutes at 18,000 ft (5,486 m) to achieve . Splashdown occurred precisely at T+4:24:00 in the , approximately 1,030 km (640 mi) SSE of at coordinates 23° 36' N, 116° 27' W, with an impact of 24 km/h (15 mph). Conditions at the site featured a 3 and winds of 10-15 knots, under which all descent systems operated nominally, and initial assessments confirmed no structural damage to the capsule.

Post-Mission Analysis

Recovery and Inspection

Following splashdown in the approximately 600 miles southwest of , the Orion crew module was recovered by a joint and U.S. Navy team using the ship as the primary recovery vessel, supported by the salvage ship USNS Salvor, rigid-hull inflatable boats, and U.S. Navy helicopters for overhead monitoring and logistics. The module was located using its onboard GPS beacon and radio tracking systems, allowing recovery teams to approach within minutes of the 8:29 a.m. PST (16:29 UTC) on December 5, 2014. Divers from the USS Anchorage secured tethers and a to stabilize the upright-floating capsule, which relied on its system for and , before hoisting it into the ship's using cranes, where water was pumped out to facilitate initial handling. The crew module had separated from the mock service module and upper stage prior to atmospheric reentry, ensuring only the capsule returned for . Onboard the USS Anchorage, preliminary visual inspections confirmed the heat shield's integrity, revealing expected charring and depths of up to approximately 0.3 inches (0.8 cm) across the material due to the high-speed reentry, consistent with about 20% of the layer's thickness, with no significant structural damage or anomalies noted at that stage. The capsule remained stable and intact throughout the process. The USS Anchorage arrived at U.S. on December 8, 2014, where the crew module was offloaded for initial shore-based processing before being loaded onto a truck for overland transport to NASA's in , arriving on December 18, 2014, for detailed disassembly and further analysis. Safety measures during recovery emphasized personnel protection and environmental containment, including biohazard assessments that identified no microbial or chemical contamination risks from the uncrewed flight, and radiation surveys using onboard dosimeters to evaluate residual exposure levels from transit through the Van Allen radiation belts, confirming levels well below operational thresholds.

Key Findings and Lessons Learned

The Exploration Flight Test-1 (EFT-1) mission successfully met all of its primary objectives, validating key aspects of the spacecraft's design and performance under simulated deep-space conditions. The withstood reentry temperatures exceeding 4,000°F (2,200°C) at speeds of approximately 20,000 mph (32,000 km/h), demonstrating uniform and structural integrity as anticipated. The suite endured passage through the Van Allen radiation belts without failure, confirming radiation tolerance for future crewed missions. More than 1,200 sensors captured extensive data on structural loads, temperatures, vibrations, and other parameters throughout the flight, generating over 600 GB of information that corroborated pre-flight finite element models for reentry stresses and dynamics. While the mission encountered minor anomalies, including brief data dropouts during the and isolated unexpected thruster firings that were promptly resolved, these did not compromise overall operations; a non-critical issue with the service module separation hook was also noted but posed no risk to the vehicle. Engineering insights from the flight affirmed Orion's capacity to manage lunar-return-level energies, with the reentry profile reaching 84% of full lunar return velocity to stress the thermal protection system effectively. Analysis identified opportunities for refinement, such as enhancements to lines to optimize deployment sequencing and load distribution in subsequent vehicles. A preliminary post-flight report was issued in December 2014, followed by a comprehensive review completed by mid-2015, which directly informed design modifications for Artemis I.

Legacy and Outreach

Technical Impact on Future Missions

The Exploration Flight Test-1 (EFT-1) mission in December 2014 provided critical validation for Orion's heat shield during its high-speed reentry at approximately 8.5 km/s, confirming the thermal protection system's (TPS) performance with uniform char formation and minimal recession, which directly informed the design for the uncrewed Artemis I lunar orbit mission in 2022. This data enabled a shift from EFT-1's honeycomb-injected Avcoat configuration to molded Avcoat blocks for Artemis I, improving manufacturability and reducing overall system weight while addressing potential charring gaps through refined epoxy bonding (EA-9394) and gap fillers (RTV-560) to minimize seams and ensure structural integrity. Post-flight arc jet testing of EFT-1 samples further corroborated these refinements; however, despite these changes, Artemis I's reentry experienced unexpected ablation at block interfaces due to differential recession and slower char formation in the lunar return heating profile. A root cause analysis completed in December 2024 attributed the char loss to gas buildup in the Avcoat, leading NASA to accept the existing heat shield design for Artemis II with an adjusted reentry trajectory to mitigate the issue. EFT-1's results drove key design changes for subsequent tests, including reinforced structures on the refurbished EFT-1 crew module used for the (AA-2) test in July 2019, which validated the launch abort system under maximum dynamic pressure conditions without parachute deployment. For Exploration Mission-1 (later I), EFT-1 data facilitated full integration of the (ESM), incorporating 33 engines for propulsion, power, and thermal control, with ground testing at White Sands confirming performance enhancements over the EFT-1 mock module. Anomalies from EFT-1, such as partial failures in the crew module uprighting system (three of the five bags failed to fully inflate or maintain pressure due to issues including material durability and deployment mechanics), were mitigated in later blocks through thicker bladders and improved deployment mechanisms, ensuring reliability for I's . Minor reaction control system thruster performance variations observed in EFT-1, attributed to ground test contaminants, were addressed via enhanced cleaning protocols and qualification testing for I's RCS arrays. As of November 2025, Artemis II—the first crewed lunar flyby mission, targeted no earlier than early 2026—continues to benefit from EFT-1's radiation exposure data from the Van Allen belts, which verified Orion's hardening and shielding effectiveness, reducing risks for the four-astronaut crew during deep-space transit. Reentry data from EFT-1 has informed modeling for Artemis II's higher-speed lunar return (approximately 11 km/s), with ongoing ground tests using the recovered EFT-1 capsule to simulate environmental stresses and refine and systems. Broader includes demonstrating Orion's scalability for Mars missions, as EFT-1's two-orbit profile proved the crew module's endurance for up to 21 days with four crew, supporting extended deep-space operations. Additionally, EFT-1's propulsion and separation data guided contributions to the ESM, starting with Artemis I, by validating interface designs for solar arrays, radiators, and bipropellant systems essential for future exploration.

Public Engagement Efforts

NASA collaborated with Sesame Workshop on the "Countdown to Exploration" initiative, a 10-day educational campaign leading up to the EFT-1 launch that featured like , , and engaging preschool audiences with STEM-themed content on space travel, spacecraft design, and teamwork for future missions. This partnership included mementos from the characters flown aboard , such as Ernie's rubber ducky and Slimey's worm, to inspire young viewers, reaching millions of children through Sesame Street's broadcast audience. The effort extended to live launch events and educational resources distributed to schools, promoting accessibility to 's exploration goals among early learners. The mission received extensive media coverage, including a live NASA TV broadcast of the launch and flight operations, drawing widespread public interest in Orion's capabilities. 's social media campaign, highlighted by the #OrionEFT1 , generated over 500,000 interactions on alone between December 1 and 5, 2014, with 320,723 tweets on launch day, making Orion a top trending topic. These efforts, including multi-center Social events for influencers, amplified real-time updates and behind-the-scenes access to foster broader engagement. Following the mission, the Orion crew module (CM-001) was placed on public display at the starting in 2017 as part of the "NASA Now" exhibit, allowing visitors to view the flight-proven hardware up close. Interactive elements in the adjacent Gateway: The Deep Space Launch Complex, such as the HoloTube display near the capsule, provide immersive experiences on reentry dynamics and assembly, educating guests on 's . These displays emphasize the mission's role in advancing , with ongoing updates tying into visuals. Public events centered on the December 5, 2014, launch included viewing opportunities at the , where approximately 27,000 spectators were expected for the event. Post-mission, organized workshops leveraging EFT-1 data visualizations to teach concepts like thermal protection and , often incorporating the flown capsule's story to engage students in hands-on activities. As of 2025, EFT-1's legacy continues in Artemis education initiatives, with the Kennedy exhibit serving as a key resource for inspiring amid preparations for the delayed Artemis II crewed mission. No major updates to engagement efforts have occurred since the post-flight period, but the mission's artifacts and narratives remain integral to NASA's outreach on sustainable lunar .

References

  1. [1]
    Exploration Flight Test-1 - NASA
    Dec 19, 2014 · The test, called Exploration Flight Test-1, or EFT-1, demonstrated Orion's space-worthiness, tested the spacecraft's heat shield during entry into Earth's ...
  2. [2]
    Orion Launches atop Delta IV Heavy on the EFT-1 Mission - NASA
    May 31, 2022 · A Delta IV Heavy rocket lifts off from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida carrying NASA's Orion spacecraft ...
  3. [3]
    5 Years Ago: Orion Flies its First Mission - NASA
    Dec 5, 2019 · The 4.5-hour mission demonstrated Orion's space-worthiness, tested the spacecraft's heat shield during reentry into the Earth's atmosphere, and ...
  4. [4]
    [PDF] Constellation Program Change Request - Amazon S3
    CxP CM 001. Created 06/22/07. CHANGE REQUEST INFORMATION. 1. CR#: 000257. 2. OPEN ... structural test article used in a test program to verify structural ...<|control11|><|separator|>
  5. [5]
  6. [6]
    Orion/ EFT-1 (Exploration Flight Test-1) - eoPortal
    Dec 8, 2014 · The EFT-1 mission, previously known as OFT-1 (Orion Flight Test 1), is the first planned uncrewed test flight of the Orion MPCV (Multi-Purpose Crew Vehicle).
  7. [7]
    None
    ### Summary of Orion History from Constellation to Post-2010, Including EFT-1 Development Context
  8. [8]
    National Aeronautics and Space Administration Authorization Act of ...
    ... Authorization Act of 2010.>> SEC. 1. SHORT TITLE; TABLE OF CONTENTS. (a) ... Funds authorized by this Act for NASA shall be made available under a ...
  9. [9]
    How Orion's Launch Abort System Protects Astronauts
    Sep 25, 2025 · The Pad Abort-1 test in 2010 demonstrated its ability to safely pull Orion away from the launch pad. In 2019, the Ascent Abort-2 test validated ...Missing: prerequisites 2015
  10. [10]
    EFT-1 to boost ATK Launch Abort System test path
    Oct 14, 2014 · “The successful Pad Abort-1 flight held in May 2010 used the abort motor development design. The primary advancements and modifications for the ...Missing: prerequisites | Show results with:prerequisites
  11. [11]
    Why Orion Capsule's Test Flight Is a 'Big (Freakin') Deal' for NASA
    Nov 6, 2014 · Geyer said EFT-1 is costing NASA $370 million, which includes the price of the launch vehicle as well as "the stuff we throw away" during ...Missing: budget 2010
  12. [12]
    NASA managers approve EFT-1 flight as Orion pushes for orbital ...
    Nov 6, 2011 · However, since the unpopular FY2011 budget proposal was reversed by the approval of the 2010 Authorization Act, Orion found itself back in NASA ...Missing: $370 million
  13. [13]
    [PDF] Orion Heat Shield Manufacturing Producibility Improvements for the ...
    The program determined the EFT-1 heat shield design would be updated using an Avcoat Block configuration bonded to a carbon skin / titanium skeleton structure ...Missing: arc jet
  14. [14]
    NASA'S Orion Arrives At Kennedy, Work Underway For First Launch
    Jul 2, 2012 · More than 450 guests at NASA's Kennedy Space Center in Florida welcomed the arrival of the agency's first space-bound Orion spacecraft Monday.
  15. [15]
    [PDF] Innovative Test Operations to Support Orion and Future Human ...
    This paper describes how the Orion program is implementing new and innovative test approaches and strategies in an evolving development environment.
  16. [16]
    NASA's first Orion capsule delivered to launch pad - Spaceflight Now
    Nov 12, 2014 · The gross liftoff mass of the integrated EFT 1 Orion spacecraft stack is approximately 48,000 pounds in launch-ready configuration, standing ...Missing: IV | Show results with:IV
  17. [17]
    EFT-1 Orion rolls out to greet her Delta IV-H rocket
    Nov 12, 2014 · ... November 20, while November 25 will see the ULA Mission Dress Rehearsal conducted. (Images: Via L2, Lockheed Martin and NASA). L2 is – as it ...
  18. [18]
    [PDF] Orion Flight Test 1 press kit - NASA
    Dec 2, 2014 · Orion is NASA's new spacecraft built to carry humans, designed to allow us to journey to destinations never before visited by humans,.
  19. [19]
    Delayed debut: Faulty rocket valves scrub NASA's first Orion launch
    Dec 4, 2014 · – NASA's first Orion spacecraft experienced its first launch scrub on Thursday (Dec. 4) due to an issue with closing valves inside the prototype ...Missing: hydraulic | Show results with:hydraulic
  20. [20]
    Winds, Technical Problem Postpone Orion Launch - SpaceNews
    Dec 4, 2014 · Gusty winds and a problem with valves on the first stage of ULA's Delta 4 Heavy postponed the scheduled Dec. 4 launch of NASA's Orion ...Missing: hydraulic | Show results with:hydraulic<|control11|><|separator|>
  21. [21]
    [PDF] A History of the Lightning Launch Commit Criteria and the Lightning ...
    Lightning Launch Commit Criteria (LLCC) are rules to mitigate lightning risk for space launches. The Lightning Advisory Panel (LAP) guides the LLCC.Missing: EFT- | Show results with:EFT-
  22. [22]
    Delta IV Heavy Successfully Delivers EFT-1 Orion on High-Apogee ...
    Dec 5, 2014 · Liftoff took place at 7:05 a.m. EST Friday, from Space Launch Complex (SLC)-37B. For the eighth time since December 2004, the three Common ...
  23. [23]
    [PDF] delta iv eft-1 mission - United Launch Alliance
    The Orion Exploration Flight Test (EFT)-1 mission is an un-crewed launch of Orion to demonstrate the Service Module (SM) fairing and. Launch Abort System (LAS) ...
  24. [24]
    Orion Exploration Flight Test No. 1 timeline - Spaceflight Now
    Dec 4, 2014 · The Delta 4's Aerojet Rocketdyne RL10 engine shuts down after the first of two burns on the EFT-1 mission. T+1: ...
  25. [25]
    [PDF] (Preprint) AAS 16-117 ORION EXPLORATION FLIGHT TEST 1 (EFT ...
    This product is important for verifying the flight test objectives as well as validating pre- flight simulations and models. The data for the BET included radar ...Missing: modifications interfaces
  26. [26]
    [PDF] (Preprint) AAS 16-143 ORION EXPLORATION FLIGHT TEST-1 ...
    The EFT-1 trajectory included two revolutions of the Earth with the second orbit being a high ellipse that brought the vehicle screaming back at speeds close ...
  27. [27]
    Orion: Lessons Learned on EFT-1 and Moving Forward to EM-1
    Feb 23, 2015 · Virtually every aspect went well with the EFT-1 flight, and an initial two week quick look report has already been handed over to NASA, said ...Missing: dummy | Show results with:dummy
  28. [28]
    [PDF] Orion Heat Shield Manufacturing Producibility Improvements for the ...
    The spacecraft configuration is summarized in. Figure 1 where the Crew Module (CM), Spacecraft. Adapter Jettisoned (SAJ), and LAS are derived from the. EFT-1 ...Missing: designation | Show results with:designation
  29. [29]
    [PDF] Orion EFT-1 Post-Flight Inspection and Analysis
    Apr 26, 2016 · • Orion's ascent fairing, backshell and landing recovery system design provide a nearly pristine return surface of in-flight solid particle ...
  30. [30]
    SRAG Measurements Performed During the Orion EFT-1 Mission
    Sep 8, 2015 · A summary of the EFT-1 Radiation Area Monitors (RAM) mission dose results obtained from measurements performed in the Space Radiation Dosimetry ...Missing: biohazard checks
  31. [31]
    For Orion, A Smooth Landing was Part of the Plan - nasa appel
    Dec 16, 2014 · APPEL News: What kind of performance data do you hope to get out of EFT-1? McClung: We had 1,200 sensors on the vehicle that were distributed to ...
  32. [32]
    Engineers finding lessons in nearly flawless Orion test flight
    Feb 20, 2015 · ... gigabytes of data recorded on the spacecraft's trip 3,600 miles into ... Orion's EFT-1 test flight demonstrated a new 3D-printed vent ...
  33. [33]
  34. [34]
    [PDF] GAO-15-320SP, NASA: Assessments of Selected Large-Scale ...
    Mar 26, 2015 · exploration test flight, or EFT-1, in December 2014. Preliminary results indicate that the flight met 85 of its 87 test objectives. However ...
  35. [35]
    [PDF] Orion Aerosciences and Thermal Protection System Overview
    Jul 9, 2021 · Arc Jet Testing is No Substitute for Flying! Page 30. • EFT-1 Recovery: • Horse collar and tow line attached to CM. • CM towed to USS Anchorage.Missing: HSC- | Show results with:HSC-
  36. [36]
    [PDF] ORION Reference Guide | NASA
    Orion's launch abort system (LAS) is designed to carry the crew to safety in the event of an emergency during launch or ascent atop the agency's Space Launch ...Missing: designation | Show results with:designation
  37. [37]
    [PDF] Design, Integration, Certification and Testing of the Orion Crew ...
    Jul 30, 2014 · Figure 3: Orion EFT-1 Crew Module During Assembly. Page 4. D. Design for EM-1. The CM configuration for EM-1 has been updated and optimized to ...Missing: designation | Show results with:designation
  38. [38]
    NASA Shares Progress Toward Early Artemis Moon Missions with ...
    Jan 9, 2024 · NASA will now target September 2025 for Artemis II, the first crewed Artemis mission around the Moon, and September 2026 for Artemis III.
  39. [39]
    Sesame Street Characters 'On Board' As NASA Counts Down to ...
    Nov 24, 2014 · At the end of the countdown, Elmo will join NASA at Orion's launch! The collaborative effort will introduce Sesame Street's current pre-school ...
  40. [40]
    Orion Flight Test | Muppet Wiki - Fandom
    The items flew "some 3,600 miles above Earth and [would] come back to take prized spots on the Sesame Street set where millions of children will watch." NASA ...Missing: audience | Show results with:audience
  41. [41]
    Orion launch fuels NASA's social-media trajectory - Campaign US
    Dec 18, 2014 · On December 5 alone, there were 320,723 tweets about Orion, and 502,844 tweets between Dec. 1 and 5. Orion was a trending topic on Twitter on ...
  42. [42]
    NASA Hosts First Agency-wide Social Media Event for Orion's First ...
    Oct 27, 2014 · NASA invites social media followers to apply for credentials to get a preview of the Orion spacecraft's first flight test during NASA Social ...Missing: EFT- | Show results with:EFT-
  43. [43]
    Flown Orion Crew Module Newest Addition to 'NASA Now' Exhibit at ...
    May 24, 2017 · The Orion crew module from Exploration Flight Test 1 is on display at nearby NASA Kennedy Space Center Visitor Complex.<|separator|>
  44. [44]
    Gateway: The Deep Space Launch Complex® Fact Sheet
    Sep 6, 2024 · This interactive HoloTube, located near the Orion Crew Vehicle, shows you the history of Kennedy Space Center – including types of rockets, ...
  45. [45]
    NASA Launches First Orion Deep-Space Capsule in Historic Test ...
    Dec 5, 2019 · About 27,000 spectators were expected to watch the launch Thursday from the NASA center's grounds, with thousands more expected to observe from ...
  46. [46]
    Regional Teachers Participated in Orion Workshop - NASA
    Dec 1, 2023 · Educators participate in Orion educator workshop using simple materials such as tissue paper, string and Styrofoam cups to build parachute ...Missing: public Sesame
  47. [47]
    Lockheed Martin Completes Orion Development for Artemis II ...
    May 1, 2025 · DENVER, May 1, 2025 /PRNewswire/ -- Lockheed Martin [NYSE: LMT] has completed assembly and testing of NASA's Orion Artemis II spacecraft, ...Missing: 001 | Show results with:001
  48. [48]
    Gateway at Kennedy Space Center - Attractions
    Orion EFT-1 Capsule ; Flight Time, 4 hours, 24 minutes ; Orbits, 2 ; (Fueled) Weight, 20,700 lbs (9,400 kg) ; Builder, Lockheed Martin.Missing: CM- | Show results with:CM-