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AS-202

AS-202 was an uncrewed suborbital test flight of the Block I Apollo Command and Service Module (CSM) launched atop a Saturn IB rocket, conducted by NASA on August 25, 1966, from Launch Complex 34 at Cape Kennedy (now Cape Canaveral), Florida.^[1]^[2] The mission, also designated SA-202, marked the third flight of the Saturn IB launch vehicle and the second dedicated test of a production Apollo spacecraft, following the earlier AS-201 mission in February 1966.^[3] It lasted approximately 90 minutes, achieving a peak altitude of 710 miles (1,143 kilometers) at an inclination of 105 degrees before splashing down in the Pacific Ocean.^[1]^[4] The primary objectives of AS-202 included verifying the structural integrity of the Saturn IB and Apollo CSM under launch loads, testing stage separations, evaluating key subsystems such as the CSM's heat shield during high-speed reentry, life support systems, Service Module fuel cells, and the restart capability of the Service Propulsion System (SPS) engine.^[2]^[5] Additional goals encompassed assessing the Apollo spacecraft's emergency detection system, mission support facilities, and overall performance in a suborbital trajectory simulating reentry conditions at velocities up to 10,000 miles per hour.^[1]^[2] During the flight, the Saturn IB's first stage (S-IB) ignited at launch and burned for over two minutes, followed by the second stage (S-IVB) ignition for about 7.5 minutes, placing the CSM into its suborbital path.^[1] The SPS engine was fired twice—once shortly after separation from the S-IVB and again for a 90-second burn to adjust reentry velocity—demonstrating reliable restart functionality in space.^[1] Reentry heated the Command Module's heat shield to approximately 1,500°C (2,732°F), while the cabin temperature remained stable at 21°C (70°F), confirming the effectiveness of the ablative material.^[1] All mission objectives were successfully met, though the splashdown occurred 235 miles short of the targeted location due to a lower-than-expected lift-to-drag ratio during reentry.^[1] The Command Module, designated CM-011, was recovered by the aircraft carrier USS Hornet after a flight duration of 1 hour, 33 minutes, and 28 seconds.^[1] Post-mission analysis validated the Apollo CSM's readiness for crewed operations, paving the way for the subsequent Apollo 1 mission, though that flight ended tragically in a ground fire.^[6] The Block I CSM from AS-202 was later displayed at Expo 67 in Montreal and used in a 1968 land impact test to study crash dynamics, and is currently on display at the USS Hornet Sea, Air & Space Museum in Alameda, California (as of 2025).^[1]^[7]

Background

Development Context

The Apollo program was formally initiated in 1961, following President John F. Kennedy's May 25 speech to Congress outlining the goal of landing a man on the Moon and returning him safely to Earth before the end of the decade, a commitment driven by Cold War imperatives and the need to surpass Soviet space achievements.^[8] This ambitious endeavor necessitated extensive uncrewed testing to validate the Block I Command and Service Module (CSM)—the initial version designed for Earth-orbital operations—and its integration with the Saturn IB launch vehicle, which served as the primary booster for early Apollo missions to ensure structural integrity, propulsion reliability, and reentry capabilities prior to any crewed flights.^[9] Early milestones in this testing phase included the AS-101 mission on May 28, 1964, launched atop a Saturn I vehicle, which marked the first use of a boilerplate Apollo CSM (BP-13) to demonstrate basic launch vehicle performance, orbital insertion, and command module structural qualification in low-Earth orbit over 50 orbits.^[10] Building on this, the AS-201 flight on February 26, 1966, represented the inaugural full-up test of a production Block I CSM (vehicle 009) integrated with the Saturn IB, reaching a peak altitude of 297 miles before reentering; however, it revealed heatshield vulnerabilities, including aft compartment structural damage from S-IVB booster recontact at staging, excessive ablation and charring during peak heating rates of 164 Btu/ft²/sec, and instability from reaction control system power loss causing an unintended rolling reentry with 14.3 g deceleration.^[11]^[9] The Apollo effort evolved directly from NASA's Project Mercury, which achieved the first U.S. manned orbital flights in a single-seat capsule from 1959 to 1963, and Project Gemini, a two-person program from 1961 to 1966 that advanced techniques like orbital rendezvous, docking, and extravehicular activity to bridge the gap toward lunar operations.^[8] The Saturn IB, with its S-IB first stage providing 1.6 million pounds of thrust and S-IVB upper stage enabling precise orbital insertions, was specifically engineered as a medium-lift vehicle for these suborbital and Earth-orbital tests, contrasting with the heavier Saturn V reserved for translunar injections.^[12] Under NASA's organizational framework, the Marshall Space Flight Center in Huntsville, Alabama—established in 1960 and led by Wernher von Braun—oversaw the Saturn family's development, including the IB variant, as part of a dramatically expanded agency budget that rose from $485 million in fiscal year 1960 to $5.2 billion in fiscal year 1966, with approximately $25 billion ultimately allocated to the Apollo program overall to fund vehicle design, testing, and production.^[8]^[12]^[13]^[14] Within this context, AS-202 was designated as the culminating suborbital test flight to incorporate heatshield modifications and verify full CSM-Saturn IB compatibility before the transition to manned missions like Apollo 1.^[9]

Role in Apollo Program

AS-202 served as the third flight of the Saturn IB launch vehicle, designated SA-202, and the second uncrewed test of a production Block I Command and Service Module (CSM), launched on August 25, 1966, from Pad 34 at Cape Kennedy Air Force Station (now Cape Canaveral Space Force Station).^[1] This mission addressed concerns from the preceding AS-201 flight, including data loss during peak heating that limited evaluation of the heat shield's performance and unexpected charring on the aft ablative heat shield, by subjecting the CSM to higher heating rates and verifying its structural compatibility with the Saturn IB under maximum dynamic pressure conditions.^[15]^[16]^[17] The success of AS-202 was pivotal in transitioning the Apollo program to its manned phase, directly paving the way for the planned AS-204 mission—later designated Apollo 1—scheduled for early 1967 with astronauts Virgil I. Grissom, Edward H. White, and Roger B. Chaffee aboard.^[1] By demonstrating reliable reentry performance through a double-skip trajectory and validating key systems like the Service Propulsion System engine with multiple restarts, the mission built essential confidence in the CSM's abort capabilities and overall integrity for crewed operations.^[1] Tragically, the Apollo 1 crew lost their lives in a cabin fire during a January 27, 1967, ground test, delaying manned flights, but AS-202's outcomes remained a foundational validation step.^[1] Within the broader Apollo program, aimed at achieving the first human lunar landing before the end of the 1960s as outlined by President John F. Kennedy in 1961, AS-202 emphasized suborbital testing to prioritize structural integrity, heat shield qualification, and launch vehicle compatibility over orbital insertion.^[18] These uncrewed flights ensured the Block I CSM's readiness for low-Earth orbit missions, forming a critical bridge toward the program's ultimate goal of lunar exploration while mitigating risks ahead of crewed endeavors.^[1]

Mission Design

Primary Objectives

The primary objectives of the AS-202 mission centered on validating the performance and integration of the Saturn IB launch vehicle with the Block I Apollo Command and Service Module (CSM) under flight conditions. A key goal was to demonstrate the Saturn IB first-stage (S-IB) performance at maximum dynamic pressure (max-Q), confirming structural integrity and launch loads during ascent, where aerodynamic forces peak around 40-50 seconds after liftoff. This test ensured the vehicle's ability to withstand the highest pressure environment without compromising stability or structural limits.^[19] Another primary objective involved testing the CSM's structural integrity across multiple phases, including powered flight, reentry at approximately 19,400 mph, and peak deceleration loads of about 15g. During powered flight, the focus was on verifying compatibility between the launch vehicle and spacecraft under thrust and vibration. The reentry phase aimed to assess the Command Module (CM) heat shield's ability to endure high thermal loads from atmospheric friction, with total integrated heat input targeted at around 20,000 Btu/ft², while maintaining internal temperatures below 21°C. Success in these tests required no structural failures and nominal telemetry data transmission throughout.^[17]^[1] Secondary objectives included evaluating the Service Propulsion System (SPS) ignition and performance in a low-gravity environment, with planned multiple restarts and burns totaling over 200 seconds to simulate orbital maneuvers. The mission also sought to measure heat shield ablation under elevated heat fluxes exceeding 80 Btu/ft²/sec and ensure reliable telemetry data transmission for real-time monitoring of over 670 measurements. Additionally, the Launch Escape System (LES) compatibility was verified through successful jettison without activation, confirming integration with the Saturn IB without triggering aborts.^[17]^[19] Mission success was defined by all systems operating nominally, including achievement of a lob-type trajectory and splashdown within the designated recovery area in the Pacific Ocean southeast of Wake Island (approximately 15° N, 169° E). These criteria emphasized safe recovery and data integrity to qualify the hardware for crewed flights.^[19]^[17]

Technical Configuration

The Saturn IB launch vehicle for AS-202, designated SA-202, comprised the S-IB first stage and S-IVB second stage. The S-IB stage utilized eight H-1 engines arranged in a square pattern, delivering a total sea-level thrust of 1,600,000 lbf (with each engine rated at 200,000 lbf), and carried approximately 1,670,000 lbs of liquid oxygen and RP-1 kerosene propellant.^[19]^[20] The S-IVB stage incorporated a single J-2 engine capable of 200,000 lbf vacuum thrust and used liquid hydrogen and liquid oxygen propellants, which ignited shortly after separation from the S-IB and burned nominally (with cutoff 13.8 seconds early due to a propellant ratio shift) to achieve the suborbital trajectory.^[19] The spacecraft stack featured the Block I Command and Service Module (CSM-011), including Command Module (CM) 011A and Service Module (SM) 011, adapted from boilerplate configurations for operational testing. The CM's heatshield employed Avcoat ablative material—a phenolic epoxy resin filled into a fiberglass honeycomb structure—applied at a nominal thickness of 0.25 inches in critical reentry zones to withstand aerodynamic heating.^[17] The SM housed the Service Propulsion System (SPS), a pressure-fed engine producing 20,000 lbf thrust with hypergolic propellants consisting of Aerozine-50 fuel and nitrogen tetroxide oxidizer.^[17] The CM structure measured 154 inches in diameter at the base and 127 inches in height from the heatshield to the apex.^[5] Mission-specific instrumentation encompassed 1,242 active telemetry channels distributed across the launch vehicle and spacecraft to record environmental data, including vibrations, pressures, and temperatures in structural and propulsion components.^[17] The Launch Escape System (LES), mounted atop the CM, included a solid-propellant rocket motor for rapid separation in abort scenarios, along with canards for stabilization.^[17] The complete vehicle stack achieved a liftoff mass of 1,312,000 lbs.^[19]

Launch and Flight

Pre-Launch Preparations

The pre-launch preparations for AS-202 commenced with the arrival of key components at Kennedy Space Center in early 1966. The Saturn IB first stage (S-IB-2) arrived by ship on February 7 and was erected vertically at Launch Pad 34 on March 4, followed by the addition of the S-IVB upper stage on March 10 and the instrument unit on March 11. The Apollo Command Module (CM-011) arrived at the Manned Spacecraft Operations Building on April 8, while the Service Module (SM-011) reached the center on April 19; the two were mated together on June 25 to form the complete CSM-011. This mated spacecraft was then transported to the pad and stacked atop the launch vehicle on July 2, completing the full vehicle assembly.^[6]^[1]^[21] With the stack complete, the vehicle underwent extensive integrated testing to verify system compatibility and performance. A countdown demonstration test (CDDT), including a wet dress rehearsal with propellant loading but no ignition, was conducted on August 8 to simulate launch operations and identify any issues. This was followed by a flight readiness review on August 11, confirming the vehicle's readiness. Oversight was provided by the NASA Kennedy Space Center team, led by spacecraft test conductor George Page, with North American Aviation serving as the prime contractor for the CSM development and integration.^[22]^[6]^[1] The launch window opened on August 25, 1966, targeting approximately 1:00 p.m. EST, with the final countdown beginning around T-minus 5 hours on launch day. No major holds disrupted preparations, in contrast to the technical challenges faced during AS-201 earlier that year. Minor delays on launch day, including a 45-minute hold due to ground computer anomalies, were resolved without further issues; weather remained suitable under high broken clouds, despite distant impacts from Hurricane Faith on tracking sites. The CSM-011 featured heatshield upgrades informed by AS-201 reentry data.^[6]^[1]

Ascent and Staging

The AS-202 mission lifted off on August 25, 1966, at 12:15 p.m. EST from Launch Complex 34 at Cape Kennedy, Florida, marking the third flight of the Saturn IB launch vehicle.^[1] The S-IB first stage ignited at T+0, with its eight H-1 engines delivering nominal thrust slightly above predictions, averaging 1.01% higher than expected and achieving a specific impulse 0.44% greater than nominal values.^[17] The burn lasted 143.5 seconds, concluding 1.1 seconds earlier than the nominal 150 seconds, propelling the vehicle to an altitude of approximately 36 miles (31 nautical miles) and a velocity of about 5,000 mph (2,235 m/s).^[1]^[17] During ascent, the vehicle encountered the maximum dynamic pressure (Max-Q) event between T+76 and T+87 seconds, peaking at 654 pounds per square foot (psf) at T+76 seconds under a Mach number of 1.45 and an angle of attack of 0.95 degrees.^[17] Structural loads remained well within limits, verifying predictions to within 10%, with peak-to-peak vibrations reaching 2.0g between T+84 and T+87 seconds and no excessive body rates exceeding 1.5 degrees per second.^[17] Attitude control was precise, with guidance errors under 1 degree throughout the S-IB burn, including 1.7 degrees nose-up pitch, 0.6 degrees nose-left yaw, and 0.6 degrees counterclockwise roll at Max-Q.^[17] Staging commenced smoothly at T+144.2 seconds with S-IB/S-IVB separation, executed via pyrotechnic devices that produced minimal vibration disturbances.^[17] The S-IVB second stage ignited 1.4 seconds later at T+145.6 seconds, its single J-2 engine performing nominally and burning for 443 seconds until cutoff at T+588.5 seconds, 13.8 seconds ahead of schedule due to efficient propellant consumption.^[17] At S-IVB cutoff, the vehicle had attained an altitude of 117.3 nautical miles, a velocity of 22,310 ft/s, and a downrange distance of 840.7 nautical miles, with deviations from nominal trajectory limited to 0.05 nautical miles in altitude, 2.0 ft/s in velocity, and 20.7 nautical miles in downrange.^[17] The Command and Service Module (CSM) separated from the S-IVB at T+598.7 seconds, approximately 10.2 seconds after cutoff, using the S-IVB instrument unit to initiate a 3-second +X translation maneuver that achieved a separation distance of about 50 feet, accompanied by umbilical line disconnect.^[17] This event marked the end of the powered ascent phase, transitioning the mission to a suborbital trajectory that reached an apogee of 617.1 nautical miles (1,142.9 km) and a total downrange of 13,900 nautical miles (25,700 km).^[1]^[17]

Suborbital Phase and Reentry

Following separation of the Apollo command and service module (CSM) from the S-IVB upper stage at T+598.7 seconds, the spacecraft entered a suborbital coast phase, traveling along a ballistic trajectory for approximately 64 minutes. During this unpowered free flight, the CSM reached apogee at T+2474 seconds (about 41 minutes after launch) at an altitude of 617 nautical miles (1143 kilometers). Systems monitoring confirmed nominal performance of the guidance, navigation, and environmental control subsystems throughout the coast, with no significant anomalies reported. A boilerplate Lunar Module adapter was included for structural testing. To verify the service propulsion system (SPS) performance in space, multiple firings were conducted during the coast phase. The first burn began at T+609.7 seconds and lasted 215.9 seconds, providing a velocity change of 2292.8 feet per second (699 meters per second) to shape the trajectory. A second burn at T+3926.1 seconds endured 89 seconds, yielding a 89-foot-per-second (27 meters per second) change to simulate reentry conditions. Demonstrating reliable ignition in vacuum, two additional 3-second burns followed at T+4054.5 seconds and T+4067.5 seconds, confirming multiple restarts with minimal velocity errors under 1 meter per second. These tests validated the SPS for future missions, with vibration levels peaking at 262 g longitudinal and 137 g radial during the burns.^[17]^[6] At T+4264 seconds (approximately 71 minutes after launch), the command module (CM) separated from the service module and oriented its heat shield forward for atmospheric reentry, initiating a double-skip trajectory to evaluate high heating rates. Reentry interface occurred at T+4348 seconds with an entry velocity of 28,512 feet per second (about 19,440 miles per hour or 31,300 kilometers per hour). Peak heating took place around T+88 minutes, with the ablative heat shield reaching a maximum temperature of approximately 1500°C (2732°F) and heat flux peaking at 83 Btu per square foot per second during the first skip. Deceleration peaked at about 8 g, well within design limits for the structure. A brief reference to ablation data indicated effective material performance, with total heat load around 20,000 Btu per square foot.^[23]^[1]^[17] Drogue parachutes deployed automatically at 24,000 feet (7.3 kilometers) to stabilize the CM, followed by the three main parachutes at 10,000 feet (3 kilometers) after drogue jettison. Splashdown occurred at T+5582.2 seconds (1 hour 33 minutes after launch) in the Pacific Ocean at coordinates 16°07' N, 168°54' E, approximately 205 nautical miles (380 kilometers) short of the targeted recovery area southeast of Wake Island. The CM remained upright with flotation aids deployed, and recovery forces located it via radio beacons and dye marker within two hours. The USS Hornet retrieved the capsule, hoisting it aboard at 10:17 p.m. EST on August 25, 1966, after which it was transported to Long Beach Naval Station for post-flight analysis.^[1]^[17]

Results and Analysis

Mission Outcomes

The AS-202 mission achieved all of its primary objectives, successfully demonstrating the structural integrity of the Block I Apollo spacecraft, the performance of key subsystems including the Service Propulsion System (SPS), and the compatibility between the command and service module (CSM) and the uprated Saturn IB launch vehicle.^[17] The first stage (S-IB) operated nominally, with average thrust 1.01% higher than predicted and specific impulse 0.44% higher, resulting in overall performance exceeding expectations by a small margin.^[17] The SPS ignited successfully 11 seconds after S-IVB shutdown, completing a primary burn of 3 minutes 35 seconds, followed by an 89-second burn and two 3-second restarts, for a total firing time of approximately 310 seconds of stable operation, verifying its reliability for future missions.^[1] Reentry conditions simulated lunar return profiles, with peak deceleration loads aligning closely with predictions and remaining well below structural limits at approximately 2.4 g.^[17] The mission lasted 1 hour, 33 minutes, 2 seconds, covering a downrange distance of approximately 13,900 nautical miles before splashdown in the Pacific Ocean at 16°07'N, 168°54'E, southeast of Wake Island.^[1] Splashdown occurred 205 nautical miles uprange of the targeted location, attributed to a lower-than-expected lift-to-drag ratio of 0.28 compared to the planned 0.33, though this offset did not compromise overall mission success.^[17] This represented a deviation but highlighted the spacecraft's robust guidance and control systems, which maintained attitude stability within 1 degree during ascent and reentry phases.^[17] Following recovery by the USS Hornet, the command module (CM-011) was inspected and found to exhibit minor charring around the Reaction Control System thrusters and moderate surface ablation, with no structural damage or significant heat shield ablation observed.^[17] The heat shield performed as expected under the double-skip reentry profile, protecting the interior cabin temperature to a stable 21°C.^[1] Postflight analysis confirmed the absence of critical anomalies impacting habitability or recovery operations.^[17]

Data Evaluation

The AS-202 mission recorded data from 1,200 telemetry channels, providing comprehensive coverage of vehicle performance throughout the flight.^[17] Key highlights included vibration levels that were 20% lower than those observed in the AS-201 mission, particularly in the command module's lower equipment bay at frequencies between 150 and 300 cycles per second, indicating improved structural damping.^[17] Additionally, post-flight inspection revealed heatshield ablation of only 0.02 inches, which was minimal and successfully resolved prior concerns about excessive charring experienced in earlier tests by demonstrating the material's effective thermal protection during reentry.^[17] Several minor anomalies were identified in the telemetry data but were resolved through post-flight analysis without impacting overall mission objectives. A slight fluctuation in Service Propulsion System (SPS) chamber pressure, appearing as a 7-psi "hump" for approximately 20 seconds, was attributed to a sensor bias glitch rather than a propulsion issue, as confirmed by correlation with ground test data from White Sands.^[17] Similarly, the S-IVB stage's ullage thrusters exhibited 2% overperformance in thrust output during separation maneuvers, leading to a brief yaw rate peak of 1.13 degrees per second that damped quickly; this was deemed nominal and within design tolerances, requiring no hardware modifications.^[17] Post-flight ground tests further validated the flight data, with wind tunnel simulations confirming the vehicle's aerodynamic stability across Mach numbers from 3 to 20, including the effects of asymmetrical heatshield ablation on trim angle.^[24] These tests resolved discrepancies between pre-flight predictions and actual performance, such as a higher-than-expected angle of attack (162.5° versus 159.0°), by accounting for viscous and Mach number influences, ultimately showing no need for major redesigns ahead of the Apollo 1 crewed mission.^[23] NASA's official post-flight report, released in October 1966, declared the AS-202 mission fully successful based on the telemetry analysis and anomaly resolutions, affirming the readiness of the Apollo spacecraft systems for subsequent flights.^[17]

Legacy

Program Impact

The success of AS-202, the final uncrewed test flight of the Saturn IB launch vehicle and Apollo Command and Service Module, directly paved the way for NASA's approval of manned missions by demonstrating the reliability of key systems under flight conditions. Launched on August 25, 1966, the mission validated the spacecraft's structural integrity, stage separation, guidance, and communication systems, providing the confidence needed to proceed with the first crewed Apollo flight, designated AS-204 (later known as Apollo 1), originally scheduled for a pad test in October 1966 and an orbital launch in February 1967. Although the Apollo 1 cabin fire on January 27, 1967, tragically delayed manned operations until Apollo 7 in October 1968, AS-202's clean performance cleared regulatory and technical hurdles, underscoring the value of iterative uncrewed testing in mitigating risks for human spaceflight.^[1]^[25] Lessons from AS-202 were rapidly integrated into subsequent Apollo hardware, particularly enhancing safety protocols and design refinements for the Block II Command Module intended for lunar missions. The mission's double-skip reentry profile subjected the ablative heat shield to peak temperatures of approximately 1,500°C while maintaining an interior temperature of 21°C, revealing discrepancies in predicted lift-to-drag ratios that led to a splashdown 235 miles short of the target; these findings prompted adjustments to thermal protection and aerodynamic modeling, contributing to more robust heat shield performance in later Block II vehicles. Additionally, anomalies such as cooling system excursions and premature sequencing operations resulted in redesigns for redundancy, including improved relay logic and wiring inspections, which bolstered overall spacecraft safety and were carried forward post-Apollo 1 to incorporate nonflammable materials and quick-opening hatches. The flight also confirmed the Saturn IB's propulsion and control systems through successful S-IVB stage burns and Service Module engine restarts, validating the vehicle for future applications including the Skylab program's crew transport missions in 1973–1974.^[1]^[25] By achieving all primary objectives at a pivotal stage in the Apollo timeline, AS-202 exemplified the program's emphasis on rigorous pre-manned validation, reducing uncertainties ahead of the 1969 lunar landing deadline set by President Kennedy. As the last uncrewed Apollo test before the Apollo 1 tragedy, it highlighted the effectiveness of suborbital flights in identifying and resolving issues early, ultimately saving development time and resources by minimizing costly redesigns during manned phases. This iterative approach not only accelerated the transition to orbital testing but also established precedents for safety protocols that influenced NASA's broader human spaceflight strategy, emphasizing comprehensive system qualification to protect crews.^[1]^[25]

Artifacts and Preservation

The Command Module 011 (CM-011) from the AS-202 mission was recovered intact from the Pacific Ocean by the USS Hornet approximately 9 hours after splashdown on August 25, 1966.^[17] Post-recovery inspections revealed minor issues, including ruptured relief valve burst diaphragms due to a pressure surge and less than 100 cubic centimeters of seawater ingress, but no significant structural damage; the module measured 137 inches (11 feet 5 inches) in height and 154 inches (12 feet 10 inches) in diameter.^[17]^[5] Following recovery, CM-011 was displayed at Expo 67 in Montreal in 1967 and subsequently used in a 1968 land impact test to evaluate crash dynamics before being transferred to the Smithsonian Institution's National Air and Space Museum in the 1970s, where it remains in storage and is not available for public display as of 2025.^[1] The S-IB first stage was recovered from the Atlantic Ocean following separation at T+144.2 seconds for post-flight analysis, but was subsequently scrapped after inspection, with no portions preserved for display.^[17] In contrast, the S-IVB second stage, after separation at T+598.7 seconds, performed a planned bulkhead reversal test that led to its self-destruction, causing it to impact the Pacific Ocean without recovery.^[17] Archival materials from AS-202, including staging footage captured during ascent, are preserved in NASA's historical collections.^[1] Film recordings of the ascent and reentry phases have been maintained and featured in recent remastered documentaries, such as 2024 historical reconstructions using original NASA audio and video.^[26] While the CM-011 is not on public exhibit—unlike the AS-201 Command Module (CM-009), which is displayed at the Strategic Air and Space Museum in Ashland, Nebraska—it is accessible to researchers through the Smithsonian's collections for studies on Apollo hardware and heatshield performance.^[5]^[27]

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