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MRT

Mitochondrial replacement therapy (MRT), also known as mitochondrial donation, is a form of in vitro fertilization (IVF) that replaces faulty mitochondria in a prospective mother's egg or early embryo with healthy mitochondria from a donor egg to prevent the transmission of maternally inherited mitochondrial DNA (mtDNA) diseases to offspring.^[1] These diseases, caused by mutations in the ~16,569 base pairs of mtDNA, affect energy production in cells and can lead to severe, often fatal disorders such as Leigh syndrome or Leber's hereditary optic neuropathy, impacting approximately 1 in 4,000 to 5,000 live births worldwide.^[1] The primary techniques involve either maternal spindle transfer (MST), where the mother's nuclear DNA is transferred to an enucleated donor egg before fertilization, or pronuclear transfer (PNT), where pronuclei from a fertilized egg are moved to a donor zygote; both aim to retain nearly all (~99.99%) nuclear DNA from the intended parents while minimizing mutant mtDNA carryover to levels below 2%.^[2]^[1] Pioneered through preclinical research in non-human primates and animal models demonstrating reduced disease transmission, MRT advanced to human application following regulatory approval in the United Kingdom in 2015 under the Human Fertilisation and Embryology (Mitochondrial Donation) Regulations, marking the first nation to permit clinical use of germline modification techniques.^[3]^[2] The first reported MRT birth occurred in 2016, involving a Jordanian couple treated in Mexico using MST to avoid Leigh syndrome, with the child showing less than 0.5% mutant mtDNA and no immediate disease signs.^[4] Subsequent developments include the UK's first licensed MRT births in 2023, followed by reports in 2025 of eight healthy children born to 22 high-risk mothers via mitochondrial donation, with embryos exhibiting heteroplasmy levels under 0.4% and no evidence of developmental issues in short-term follow-up.^[5]^[4] These outcomes represent empirical progress in averting mtDNA disorders, supported by data from over 100 treated cycles showing viable pregnancies without overt mitochondrial dysfunction.^[6] Despite these milestones, MRT remains contentious due to its heritable alteration of the human germline, raising safety concerns over potential mitochondrial-nuclear incompatibilities, undetected mutant mtDNA persistence, or long-term risks like accelerated aging or cancer, as evidenced in some animal studies but not yet confirmed in humans.^[7]^[3] Critics, including bioethicists, argue it violates principles of human dignity by intentionally engineering heritable changes, potentially opening pathways to non-therapeutic genetic enhancements, while proponents emphasize its targeted application to dire medical needs based on causal mechanisms of mtDNA inheritance.^[7]^[8] In the United States, federal restrictions via congressional riders prohibit Food and Drug Administration review of MRT protocols, citing these risks despite preclinical efficacy data, though advocacy continues for policy revision informed by accumulating clinical evidence.^[9]^[8] Ongoing research prioritizes rigorous monitoring of health outcomes to address evidentiary gaps, underscoring the need for data-driven assessment over precautionary bans.^[6]^[7]

Transportation

Mass Rapid Transit Systems

Mass Rapid Transit (MRT) systems consist of heavy-rail urban networks engineered for high-capacity passenger movement, typically featuring electric multiple-unit trains operating on fully or partially grade-separated rights-of-way to achieve speeds of 80-100 km/h and frequencies as low as 90 seconds during peak hours. ^[10] These differ from light rail transit, which uses smaller vehicles and shares more street-level infrastructure, or bus rapid transit, which lacks fixed rail guidance, enabling MRT to handle daily ridership exceeding one million passengers per line in major cities.^[11] Predominantly developed in Asia since the late 20th century, MRT expansions correlate with urbanization rates surpassing 50% in countries like Singapore and Indonesia, where systems integrate underground tunneling to bypass surface congestion and support GDP growth through efficient labor mobility.^[12] Singapore's MRT network, inaugurated on November 7, 1987, with the North-South Line, has grown to approximately 230 km across seven lines by 2025, serving over three million daily trips amid the city's population density of 8,000 persons per square kilometer.^[13] Ongoing projects, including the 43 km Cross Island Line—featuring 31 km of underground sections bored through challenging granitic rock—target a total network length of 360 km by the early 2030s, with Phase 1 opening in 2030 and Phase 2 by 2032 to enhance east-west connectivity.^[14] ^[15] Engineering innovations, such as the Fort Canning Tunnel's precise cut-and-cover methods amid reclaimed land subsidence risks, underscore adaptations to tropical geology and reclaimed terrain.^[16] Jakarta's MRT North-South Line Phase 1, spanning 16 km with 13 stations, entered revenue service on March 24, 2019, after construction began in 2013, initially carrying 100,000 daily passengers and expanding to integrate with the city's 10 million metropolitan workforce.^[17] ^[18] This elevated and underground hybrid addressed Jakarta's annual traffic delays exceeding 60 hours per driver, with subsequent phases under construction to extend southward by 2032. In the Philippines, MRT-3 has operated since December 15, 1999, as Metro Manila's primary north-south corridor, while MRT-7— a 22.8 km line with 14 stations funded and operated by San Miguel Corporation—advances toward partial testing in late 2025 and full commercial service by 2026, incorporating elevated viaducts over flood-prone areas to serve 800,000 daily commuters.^[19] ^[20] Thailand's Mass Rapid Transit Authority announced four new lines in August 2025, backed by over 128 billion baht in investment, to extend Bangkok's network amid projections of 20% urban rail ridership growth by 2030, emphasizing underground segments for seismic resilience in the Chao Phraya basin.^[21]

Other Transportation Uses

In Malaysia, the Mass Rapid Transit Corporation Berhad (MRT Corp) serves as the primary operator and developer for regional MRT infrastructure, including oversight of the Putrajaya Line, which links urban centers in the Klang Valley to administrative hubs in Putrajaya.^[22] This entity manages project execution, station integration, and service continuity amid challenges like recent disruptions from infrastructure issues, emphasizing localized adaptations to high-density commuting needs.^[23] In Taiwan, MRT designations extend to regional extensions such as the Sanying Line, where a 4 km southwestern extension from New Taipei City's Yingtao Fude Station to Taoyuan's Bade District was approved by the Executive Yuan on August 1, 2025, with construction slated to commence in 2026 to enhance inter-city connectivity.^[24]^[25] This development integrates with existing Taoyuan MRT networks, prioritizing efficient links between New Taipei and Taoyuan municipalities without relying on broader national rapid transit overhauls.^[26] Manila's MRT system incorporates private sector involvement through public-private partnerships (PPPs) for expansions and maintenance, as seen in the rehabilitation of MRT Line 3, completed ahead of a June 2025 deadline to prepare for a new operating contract tender launched in early 2025.^[27]^[28] These initiatives aim to improve reliability and capacity in congested urban corridors by outsourcing operations to private entities, drawing on models like LRT-1's successful privatization for sustained efficiency gains.^[29]^[30]

Computing and Software

Malicious Software Removal Tool

The Windows Malicious Software Removal Tool (MSRT), also known as MRT.exe, is a free utility provided by Microsoft to detect and remove specific prevalent malware threats from computers running supported Windows operating systems.^[31] It operates as a targeted scanner rather than a comprehensive antivirus solution, focusing on widespread infections that affect large numbers of users.^[32] First released on January 13, 2005, for Windows 2000, Windows XP, and Windows Server 2003, the tool was introduced to address high-impact threats circulating at the time.^[33] MSRT is automatically downloaded and executed monthly via Windows Update, performing a quick scan unless a full scan is manually initiated, after which it removes detected malware and attempts to reverse associated system changes.^[31] The tool targets a predefined set of known threats, with signatures updated in each release to incorporate newly prevalent variants, but it does not provide real-time monitoring or protection against all possible malware.^[33] Results of scans are logged to a file at %WINDIR%\debug\mrt.log for diagnostic purposes.^[31] The executable file, MRT.exe, resides at C:\Windows\System32\mrt.exe on 32-bit and 64-bit systems, and users can run it manually by executing this file or via Windows Update settings.^[31] During operation, MSRT may consume significant CPU resources, up to 50% or more, which is expected behavior due to its intensive scanning process and not an indication of infection.^[32] As of October 14, 2025, the latest version is 5.136, continuing monthly updates to adapt to evolving threats while ceasing support for Windows Server 2008 and 2008 R2 starting May 2025.^[32]^[31]

Medicine and Science

Magnetic Resonance Tomography

Magnetic Resonance Tomography (MRT), known as Magnetresonanztomographie in German, refers to the medical imaging technique equivalent to Magnetic Resonance Imaging (MRI), employing strong magnetic fields and radiofrequency pulses to generate detailed cross-sectional images of internal body structures without ionizing radiation.^[34] The method exploits the nuclear magnetic resonance of hydrogen protons abundant in bodily water and fat, aligning them via a static magnetic field typically 1.5 to 3 teslas in strength, then perturbing this alignment with radio waves to produce detectable relaxation signals that are spatially encoded using gradient coils.^[35] This non-invasive process yields high-contrast visualizations of soft tissues, distinguishing it from X-ray or computed tomography (CT) scans that rely on ionizing radiation.^[36] The foundational principles trace to nuclear magnetic resonance spectroscopy developed in the 1940s, but tomographic imaging emerged in 1973 when Paul Lauterbur demonstrated the first two-dimensional MR images by applying magnetic field gradients to encode spatial information in NMR signals, as detailed in his Nature publication.^[37] Subsequent advancements by Peter Mansfield and others refined fast imaging sequences, enabling clinical adoption by the early 1980s for routine diagnostics; by 2003, Lauterbur and Mansfield received the Nobel Prize in Physiology or Medicine for these contributions.^[38] Empirical studies affirm MRT/MRI's superior sensitivity for detecting soft-tissue pathologies, such as multiple sclerosis plaques or early-stage tumors, with signal-to-noise ratios often exceeding those of CT for brain and musculoskeletal evaluations.^[39] Clinically, MRT excels in neuroimaging for brain tumors, where it delineates lesion margins and peritumoral edema with resolutions down to millimeters, aiding surgical planning; it is also standard for joint disorders like ligament tears and soft-tissue sarcomas, providing multiplanar views that reveal tumor extent relative to neurovascular structures.^[40] ^[41] For oncology, contrast-enhanced sequences improve specificity in identifying malignant versus benign masses, though biopsy remains essential for confirmation.^[42] Key advantages include exceptional soft-tissue contrast—enabling differentiation of fat, muscle, and fluid without radiation exposure—and functional extensions like diffusion-weighted imaging for stroke assessment.^[43] However, limitations encompass absolute contraindications for patients with ferromagnetic implants, such as certain pacemakers or cochlear devices, due to risks of torque, heating, or displacement from the magnetic field.^[44] Scans are protracted (20-60 minutes), prone to motion artifacts, and costly, with U.S. procedure averages exceeding $1,000 in 2023, restricting accessibility despite diagnostic precision.^[45] Claustrophobia affects up to 10% of patients, often necessitating open-bore alternatives or sedation.^[39]

Pharmacokinetics and Other Scientific Terms

In pharmacokinetics, mean residence time (MRT) quantifies the average duration a drug molecule remains in the body following administration, derived from noncompartmental analysis techniques developed in the 1980s.^[46] It is calculated as the ratio of the area under the first moment curve (AUMC) to the area under the plasma concentration-time curve (AUC), expressed as MRT = AUMC / AUC for intravenous bolus dosing, providing a model-independent estimate of drug exposure persistence.^[47] Alternatively, MRT equals the steady-state volume of distribution (V_ss) divided by systemic clearance (CL), MRT = V_ss / CL, linking it directly to physiological processes of distribution and elimination.^[46] This parameter informs drug development by revealing causal relationships between dosing regimens and therapeutic efficacy; for instance, drugs with prolonged MRT, such as those exhibiting high V_ss relative to CL, sustain plasma concentrations longer, potentially enhancing efficacy while minimizing peak-trough fluctuations in repeated dosing scenarios.^[48] Empirical studies demonstrate that MRT exceeds half-life (t_{1/2}) in one-compartment models post-intravenous administration, with MRT ≈ 1.44 × t_{1/2}, underscoring its utility in predicting accumulation and informing interval adjustments independent of regulatory metrics.^[49] In statistics and probability, particularly within Markov chain theory, mean recurrence time (MRT) denotes the expected interval between successive visits to a recurrent state in a stochastic process, fundamental to ergodic systems modeling biological or physical phenomena like particle diffusion or gene expression cycles.^[50] For an irreducible, positive recurrent chain with stationary distribution π_i, MRT for state i is 1 / π_i, reflecting the inverse frequency of state occupancy and enabling causal inference on long-term behavior from transient data.^[51] Applications in quantitative biology include analyzing recurrence in population dynamics or renewal processes, where finite MRT indicates stability, contrasting with transient states exhibiting infinite expected return times.^[52]

Military and Training

Master Resilience Training

Master Resilience Training (MRT) is a U.S. Army program designed to foster psychological resilience in soldiers through structured skill-building, originating as a core component of the Comprehensive Soldier Fitness (CSF) initiative launched in 2009. The training equips non-commissioned officers (NCOs) and select civilians with tools to teach resilience competencies to their units, emphasizing cognitive-behavioral techniques derived from positive psychology to improve performance amid stressors like combat deployments. By 2011, over 100,000 soldiers had received MRT-delivered instruction, with the program expanding to include preparation phases before high-risk missions and sustainment training for ongoing application.^[53]^[54] The 10-day MRT course, typically conducted in residence, immerses participants in evidence-based modules targeting five primary competencies: self-awareness (recognizing emotional triggers), self-regulation (managing impulses and stress responses), optimism (reframing setbacks), mental agility (flexible thinking under pressure), and strengths of character (cultivating traits like grit and perseverance). Specific skills include "Hunt the Good Stuff" for daily gratitude practices, Avoid Thinking Traps to counter cognitive distortions, and problem-solving models for adaptive decision-making, all grounded in techniques validated in civilian clinical settings but adapted for military contexts. Master Resilience Trainers (MRTs) subsequently deliver abbreviated sessions to platoons, integrating these into unit routines to promote emotional regulation and collective toughness for mission readiness. The curriculum avoids clinical therapy, focusing instead on proactive prevention of psychological strain rather than treatment.^[55]^[53]^[56] Empirical evaluations of MRT yield mixed results, with Army-funded studies reporting short-term gains in self-assessed resilience and psychological health metrics among trainees—for instance, a 2011 analysis of MRT cohorts showed sustained improvements in Global Assessment Tool scores over 12 months compared to non-trained peers. However, independent critiques highlight methodological flaws, such as reliance on self-reports prone to expectancy bias and lack of randomized controls isolating MRT from concurrent interventions, questioning claims of broad efficacy. Longitudinal data on downstream outcomes like PTSD incidence remain inconclusive; while CSF proponents cite reduced symptom reporting in deployed units post-2010, a 2012 review argued no causal link to lower disorder rates, attributing observed trends to selection effects or reporting shifts rather than skill acquisition. These debates underscore MRT's role in normalizing resilience discussions within the Army but reveal gaps in rigorous, long-term causal evidence for preventing trauma-related disorders.^[57]^[58]^[59]

Professional Designations

Medical Radiation Technologist

A Medical Radiation Technologist (MRT) is a healthcare professional certified to perform diagnostic imaging and radiation therapy procedures using ionizing radiation, primarily in Canada and Australia. In Canada, the designation encompasses specialties such as radiological technology (MRT(R)), nuclear medicine (MRT(NM)), and radiation therapy (MRT(T)), regulated by the Canadian Association of Medical Radiation Technologists (CAMRT), which administers national certification exams required for practice.^[60] In Australia, MRTs, often termed Medical Radiation Practitioners, must register with the Australian Health Practitioner Regulation Agency (AHPRA) and may pursue certifications through the Australian Society of Medical Imaging and Radiation Therapy (ASMIRT) for advanced modalities like MRI or CT.^[61] These professionals operate equipment for X-rays, computed tomography (CT), nuclear medicine scans involving radiopharmaceuticals, and targeted radiation delivery in cancer treatment, adhering to strict protocols to ensure image quality and dosage accuracy.^[62] MRT responsibilities emphasize precision in patient positioning, equipment calibration, and radiation safety to minimize exposure risks, with procedures guided by physician orders and verified through quality assurance checks. In radiography and CT, MRTs capture anatomical images for diagnosis; in nuclear medicine, they prepare and administer radioactive tracers for functional imaging; and in radiation therapy, they execute treatment plans using linear accelerators to deliver precise beams while shielding healthy tissues.^[63] Certification requires completion of accredited programs followed by competency exams, with ongoing professional development mandated to maintain standards, as lapses in precision can lead to diagnostic errors or therapeutic under/over-dosing.^[64] The profession's expansion correlates with rising cancer incidence and diagnostic demands, with global radiotherapy needs affecting approximately 10 million new patients annually as of 2022, driving employment growth projected at 5% from 2024 to 2034 in related roles, outpacing average occupational rates due to aging populations and chronic disease prevalence.00355-3/fulltext) ^[65] Safety metrics underscore efficacy, with radiation therapy error rates as low as 0.06% of treatment fractions in large-scale reviews, often involving non-clinically significant issues like machine parameters, and incident rates declining to 1.2 per 100 courses by 2007 through technological and procedural advancements.00557-8/abstract) ^[66] These records reflect rigorous training and verification processes prioritizing patient outcomes via empirical dosimetry and error-tracking systems.

Geography

Locations and Place Names

The ISO 3166-1 alpha-3 code MRT designates Mauritania, a sovereign nation in northwestern Africa bordering the Atlantic Ocean, Algeria, Mali, Senegal, and Western Sahara, with a land area of approximately 1,030,700 square kilometers and a population of about 4.7 million as of 2023.^[67] This code is standardized for international use in statistics, trade, and diplomatic contexts by organizations including the United Nations and International Monetary Fund.^[67] In aviation, MRT is the IATA code for Moroak Airport, a small facility located in Moroak, Northern Territory, Australia, serving regional general aviation in a remote arid area.^[68] Separately, the FAA location identifier MRT applies to Union County Airport near Marysville, Ohio, United States, a public-use general aviation airport spanning 140 acres with a single runway, owned by Union County and handling approximately 50 operations annually as of recent Federal Aviation Administration records. No major settlements, districts, or postal abbreviations directly derive from MRT in standard geographic nomenclature beyond these codes, reflecting its limited application to low-profile entities rather than prominent urban or regional designations.^[69]

Other Uses

Miscellaneous Acronyms and Terms

Mountain Rescue Team (MRT) refers to specialized volunteer organizations dedicated to search and rescue operations in mountainous terrains, often equipped for harsh weather, technical rope work, and medical evacuations. In the United Kingdom, teams such as Keswick MRT cover extensive areas in the Lake District, responding to incidents involving hikers, climbers, and flood scenarios with capabilities including drone operations and swift water rescue.^[70] Similarly, Aberglaslyn MRT in Wales provides coverage across north Gwynedd, extending to lowland searches and utilizing advanced tracking tools.^[71] In the United States, the North Carolina Mountain Rescue Team operates in regions like Avery County, focusing on technical extractions and coordination with state agencies.^[72] These teams typically comprise trained civilians funded through donations, emphasizing rapid response times measured in hours from alert to deployment.^[73] In computer networking, MRT stands for Multi-threaded Routing Toolkit, a standardized format for exporting routing information, particularly BGP messages, state changes, and routing tables to support analysis and debugging of internet routing dynamics. Defined in RFC 6396, it enables efficient storage of protocol data in binary form, facilitating tools for BGP monitoring and historical replay without proprietary dependencies.^[74] Extensions in RFC 8050 incorporate BGP additional paths for multi-path routing scenarios, enhancing support for modern internet scalability.^[75] The format is widely implemented in open-source libraries and used by network operators for geolocation-aware exports as per RFC 6397.^[76] Mission Readiness Training (MRT), in United States Air Force contexts, denotes programs and systems designed to prepare personnel for operational deployment, including mixed-reality simulations for combat mission enhancement. Kratos Defense & Security Solutions developed an MRT system for [Air Force Global Strike Command](/page/Air Force Global Strike Command), which integrates virtual and augmented reality to double combat mission rates through scenario-based drills, earning recognition in 2022 for augmented/mixed reality applications.^[77] Air Force Instruction 36-2201 outlines MRT as a component of broader training frameworks, distinct from resilience-focused programs, emphasizing task proficiency and readiness evaluations for units like missile wings.^[78] These initiatives track metrics such as mission completion rates and integrate with total force development, often involving external vendors for hardware like headsets and software for real-time feedback.^[79]

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[58]
[PDF] COMPREHENSIVE SOLDIER FITNESS - Positive Psychology Center
In particular, this report examines the effectiveness of the Master Resilience Training. (MRT) program at improving Soldier-reported R/ PH scores over time. MRT ...
[59]
The Army's Flawed Resilience-Training Study: A Call for Retraction
Jun 4, 2012 · Claims about the CSF program's effectiveness are not supported by the research. ... Master Resilience Training on Self-Reported Resilience and ...
[60]
Health Experts Question Army Report on Psychological Training - PBS
Jan 2, 2012 · ... Master Resilience Training on Self-Reported Resilience and Psychological Health Data,” concludes, “There is now sound scientific evidence ...
[61]
Certification
The CAMRT national certification exam is mandatory for ALL graduates from Canadian MRT programs and for all internationally educated MRTs who wish to practice ...
[62]
Certification - ASMIRT
The ASMIRT MRI Level 1 Certification examination is available to all registered medical radiation practitioners. Examinations are held online in the workplace ...Missing: MRT | Show results with:MRT
[63]
Careers in Radiologic Technology - ASRT
Registered radiologic technologists (RTs) are medical personnel who perform diagnostic imaging examinations and administer radiation therapy treatments.
[64]
Radiologic Technologist: What They Are & What They Do
Radiologic technologists administer imaging tests and radiation therapy treatments. They'll make sure the test or treatment works correctly.
[65]
Certificate programs
There are four disciplines represented among CAMRT's membership: radiological technology, magnetic resonance, nuclear medicine and radiation therapy. Donate ...
[66]
Radiologic and MRI Technologists : Occupational Outlook Handbook
Duties · Adjust and maintain imaging equipment · Follow precise orders from physicians on what areas of the body to image · Prepare patients for procedures, ...
[67]
Trend analysis of radiation therapy incidents over seven years
The rate of actual incidents has declined from 2.0 to 1.2 per 100 courses from 2001 to 2007, a decrease of 60% over the duration of the study.
[68]
unsd/methodology/m49 - United Nations Statistics Division - UN.org.
Countries or areas / geographical regions ; Mauritania, 478, MRT ; Mauritius, 480, MUS ; Mayotte, 175, MYT ; Mexico, 484, MEX.
[69]
Airports around the World - IATA code: M - Nations Online Project
MRT, Moroak, Moroak, Australia. MRU, Mauritius, Seewoosagur Ramgoolam ... List of international US Airports with Links and IATA Airport Codes. Map of Major ...
[70]
MRT Locations Abbreviation Meaning
MRT in Locations typically refers to Mauritania, a country located in West Africa known for its vast deserts and rich history influenced by various cultures ...Missing: places | Show results with:places
[71]
Keswick Mountain Rescue: Home
Keswick Mountain Rescue Team · With a dedicated flood and swift water rescue capability · We cover a wide area of the north Lakes · The team is highly trained in ...
[72]
Aberglaslyn MRT - Mountain Rescue England and Wales
Aberglaslyn Mountain Rescue Team (Tim Achub Mynydd Aberglaslyn) provides a search and rescue service, not just on the mountains but covering the whole of north ...
[73]
NC Mountain Rescue Team 1 - Facebook
Rating 5.0 (1) NC Mountain Rescue Team 1 ... North Carolina maintains five mountain rescue teams in the state. MRT 1 is located in Avery County. NC Mountain Rescue teams are ...
[74]
Scottish Mountain Rescue: Any Hour, Any Day, Any Weather
Arrochar MRT: from broom cupboards to drone pilots. 13th October, 2025 Arrochar Mountain Rescue Team covers a large and varied area stretching from the Arrochar ...
[75]
RFC 6396: Multi-Threaded Routing Toolkit (MRT) Routing ...
The format can be used to export routing protocol messages, state changes, and routing information base contents.
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RFC 8050 - Multi-Threaded Routing Toolkit (MRT ... - IETF Datatracker
RFC 8050 extends the MRT export format for BGP routing information, supporting multiple paths in BGP extensions.
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RFC 6397 - Multi-Threaded Routing Toolkit (MRT) Border Gateway ...
Multi-Threaded Routing Toolkit (MRT) Border Gateway Protocol (BGP) Routing Information Export Format with Geo-Location Extensions (RFC 6397, )
[78]
Kratos' Mixed Reality Mission Readiness Training System Wins ...
Nov 30, 2022 · ... Mission Readiness Training (MRT) system Kratos developed and fielded for Air Force Global Strike Command (AFGSC). MRT is a turnkey solution ...
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[PDF] AFI36-2201-AF_Training-15Sep10.pdf - AFMentor - AF Publications
Sep 15, 2010 · MRT—Mission Readiness Training. MRTP—Mission Readiness Training Program. MSGT—Master Sergeant. MSS—Mission Support Squadron. MTL—Master Task ...
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A1 External Training: Mission Readiness Training (MRT) Overview ...
... Air Force ... UNIVERSITY EVENTS. A1 External Training: Mission Readiness Training (MRT) Overview ... Careers. Join the Air Force · Air Force Benefits · Air Force ...