U.S.A.F
MX Designations

MX-149

Long Range Heavy Bombardment Airplane XB-36

MX-471

System, Fire Control, GE, B-36 Airplane

MX-527-A

Ramjet Combustion Research at the California Institute of Technology

MX-527-B

Ramjet Combustion Chamber Investigation at Experiment Incorporated

MX-527-C

Study of Pump Applications to Ramjet and Rocket Engines

MX-527-D

Theoretical and Experimental Investigations of Design Parameters for Design of Test Facilities

MX-527-E

Advanced Power Plant and Facility Analytical Evaluation and Investigation for MX-702, MX-770, MX-1590, MX-1599

MX-527-F

Special Fuels Investigation for Ramjet Applications

MX-527-G

Jet Rotor Propulsion Development for Helicopters

MX-562

Development of Turbodyne XT-37-NA-3 (NOTE: MX-562 has been reassigned as a basic number to identify work conducted under order number R-506-35, The various phases of work formerly associated with MX-562 will henceforth be identified by suffix letters.)

MX-562-A

Development of XT37-NA-3 Turbo-jet Engine

MX-597

Armament Provisions for Jet Propelled Bombardment Airplanes

MX-674-A

Radio Receiver AN/ARW-62

MX-754-K

Optics, Periscopic Bombsight

MX-763

Automatic- Celestial navigation System

MX-770

Long Range Supersonic Surface-to-surface Missile RTV-A-5

MX-770-A

Long Range Supersonic Surface-to-Surface Missile XSSM-A-4 - NAVAHO II

MX-770-B

Long Range Supersonic Surface-to-Surface Missile XSSM-A-6 - NAVAHO III

MX-783

Installation of Cal. 50 M-3 Cal. 60 and 20 MM Guns in F-80 Airplanes

MX-784

Trial Installation of Aimable Incendiary Tanks

MX-804

Techniques, Optical, Fire Control Sighting System

MX-805

Studies - Fire Control Sighting Station, XF-87

MX-818

Armament Studies - Light Bomber

MX-836

System, Fire Control, B-50

MX-836-A

System, Fire Control, 2CFR556-1

MX-836-B

System, Fire Control 2CFR55J-1

MX-836-C

System, Fire Control Improvements B-50

MX-859

Bomb Carrying Space - Bombardment Aircraft

MX-891

Bomb Installation - 43,000 lb in B-29 Airplane

MX-906

FICEY

MX-909

Bomb Rack and Hoist Combination, 12,000 lb Capacity

MX-910

Armament Study - XB-52, Martin

MX-916

B-50 Fire Control - Improvement Study

MX-919

Booster Rockets, Pressurized (Design and Development of XLR59-AJ-1, -3)

MX-929

Development of Rocket Launching System - Low Drag Flush Mount

MX-935-J

Magnetron, High Power Tunable

MX-937

Research Regarding XF-91 Armament Installation

MX-939

High Speed Bombing Studies

MX-946

Wing Tip Fire Control System -Sperry 20 MM

MX-949

F-61 Fire Control System, 2CHR12C3 Analysis, Overall and Test

MX-974

Parachute Equipment, Emergency Escape, Supersonic Aircraft, Development

MX-980

Indicator, Airspeed, Transonic and Supersonic

MX-988

Power Supply, Electrical, Guided Missiles

MX-1001

In Flight Refueling - Optimum Research (Probe & Drogue Method -Rigid Boon Method)

MX-1009

MX-839 Armament Study

MX-1021

Dolly, Handling, Liquid JATO Unit

MX-1028

System, Fire Control, B-52

MX-1037

Flexible Feed Chute Installation - F-80A Aircraft

MX-1044

Pit Loading Equipment Modification

MX-1048

B-50 Track Type Landing Gear

MX-1053

Heat Transfer Research, Basic

MX-1053-A

Heat Transfer Studies on MX-984

MX-1058

Battery, Heavy Duty, Heated Case for Auxiliary Power Unit Development

MX-1059

Systems, Remote Flight Control, Special Purpose

MX-1078

Research and Development on Special Sensors

MX-1080

Dosimeter, Gamma Radiation, Airborne

MX-1081

Airborne Radiation Survey Equipment

MX-1082

Meter, Gamma Radiation Intensity, Airborne

MX-1083

Training Equipment for Lark Surface to Air Missile XSAM

MX-1089

Application of Ceramics to Aircraft Power -Plants

MX-1094

Instrumentation - Armament Evaluation, High Speed, All-Altitude

MX-1110

Electrically Conducive Coated Transparent Areas

MX-1115

Frost and Ice Removal Equipment

MX-1117

Cloud Tracker, Radioactive, Airborne

MX-1118

Beta Air Monitor, Airborne

MX-1126

Parachute System for Jettisoning Heavy Weight from Aircraft

MX-1129

Trainers, ASM-A-1 (TARZON) Missile

MX-1132

Recovery System for Guided Missiles and Target Aircraft

MX-1138

Compressor, Air, 3000/6000 PSI, 85 CFM, Portable, Multi-Fuel, Engine Driven

MX-1139

Improved Cooling for AC and DC Generators

MX-1141

Proximity Scorer for Aerial Targets

MX-1147

System, Fire Control, Air-to-Ground, All Weather

MX-1154

Aircraft, Fuel and Oil Servicing Equipment Components

MX-1156

Trainer for YSSM-A-7 Matador Missile

MX-1169

XJ46-WE-1 Engines

MX-1182

Cooling Unit, Aircraft, Simple Air Cycle

MX-1183

Infra-red Defrosting and De-Icing

MX-1184

Study of Electric Power Controls for Models J34 and J46 Engines

MX-1188-F

B-Line

MX-1188-J

F.E.I., CW Radar, Twin Carrier Type

MX-1190

Magnetic Guidance System for MX-771

MX-1196

Techniques, MTI, for Airborne Radar

MX-1209

Equipment, Radio, Short Range (AN/ARC-22)

MX-1213

Set, Radio, Liaison, Airborne (AN/ARC-21)

MX-1215

Equipment, Radar. High Resolution, KU-Band

MX-1217

Set, Radar, Automatic, Airborne (AN/APS-48)

MX-1227

Equipment, Jamming, Reflector-Type, Radar, Dispensed from Aircraft (Chaff, Rope, etc.)

MX-1252

Control, Frequency, Electronic, New Methods of

MX-1261

Advanced Antenna Design (Guided Missiles and New Aircraft)

MX-1269

Equipment, Map-Matching, Radar, Airborne

MX-1271

Assemblies, RF, Special, for Airborne Radar

MX-1275

Systems, Communication, navigation and Traffic Control, Planning for

MX-1289

Radar, Ground, Fundamental

MX-1294

Radar, Volumetric Scanning

MX-1302

IFF Research

MX-1444

Conditioner, Air, High Capacity, Stationary, Electric Motor Driven

MX-1445

Systems, Bombing, Non-Radiation (NORBS)

MX-1451

Airborne Gas Recovery Unit (B/7)

MX-1453

Radiac Set; Wrap Around Counter Assembly

MX-1458

Generator, Modified Type A-1 Oxygen (B/20)

MX-1459

Trainer, Animated Panels, F-84D

MX-1462

Operation Greenhouse, Project 5.2

MX-1473

Equipment, Identification, Electronic, Airborne

MX-1486

Cooler, Aircraft, Fuel Ground, Portable

MX-1497

Filters, Fuel and Propellant

MX-1504

Shelter, Alert, Aircraft

MX-1528

Trainer, Gunnery, Flexible, Synthetic

MX-1531

Trainer, High Speed - High Altitude Visual Bombing

MX-1533

Chaff Dispenser VHB Aircraft (A-6 & A-7)

MX-1534

Trainer, Gunnery, Fixed

MX-1543

B/31 Project - Scrubber, Design A; Compressor, Design A

MX-1555

Trainer; Demonstrator, Liquid Oxygen Alcohol Rocket Engine -XLR11-RM-1

MX-1570

Set, Power, Ground, Portable, Pneumatic & Electrical

MX-1572

Compressor Unit, Gas, Turbine Driven, Portable, 75 PSIA

MX-1573

System, Identification, Electronic, for Fighter Aircraft

MX-1575

Receiver, Radio, Navaglobe, Airborne; AN/ARN-27

MX-1577

Radar Simulator for Radar Set AN/APQ-24

MX-1587

System, Navigation, Precision, Long Range, Airborne (Interconnection of AN/APN-66 with Search Radar Sets)

MX-1588

Target, Tow 3-Dimensional, Fighter Gunnery Interceptor

MX-1590-A

Controls for XRJ-43N Ramjet

MX-1590-B

Monitoring of the Design, Development, Fabrication and Flight Testing of the XRJ-43-MA-3 on MX-1599

MX-1590-C

Development, Fabrication and Flight Testing of XRJ-43-MA Booster Ramjets

MX-1590-D

Construction of R&D Ramjet Test Facilities at Marquardt Aircraft Company

MX-1590-E

Development, Fabrication and Flight Testing of the XRJ-43-MA-1 on MX-883

MX-1605

Trainers, Guided Missiles, General

MX-1606

Trainer, Simulator, XB-52 Airplane

MX-1609

System, Bomb Directing, Optical Radar, Type K-5

MX-1617

Reflector, X-Band Radar for Tow Targets

MX-1622

Systems, Air Defense, Interim and Proposed, Evaluation of

MX-1625-A

System, Fire Control, Air Superiority

MX-1629-A

Rack and Hoist, Bomb, Combination, 12,000 Capacity

MX-1629-A

Lift, Bomb, 25,000 lb Mobile

MX-1640

Engine, Turbo-propeller, in L-19A Aircraft

MX-1659

Air Conditioning Equipment for Ventilated Clothing

MX-1662

Trainer, B-47 Bomb Control System

MX-1663

Prevention and Removal, Ice and Frost, Aircraft Surfaces

MX-1663-A

Electrically Conductive Coated Transparent Areas

MX-1663-B

Tests, Flight and Comparative Analysis of Types of Anti-Icing Systems, Utilizing F-94.

MX-1663-C

Study of Use of High Temperature High Pressure Air for Flight Surface Anti-Icing Systems

MX-1663-D

Infra-Red Defrosting and De-Icing (Republic. Aviation)

MX-1665

Receiver ECM AN/APR-14

MX-1677

Transfer, Heat

MX-1677-A

Heat Transfer, Basic

MX-1677-B

Temperature Survey, X-1 Aircraft

MX-1677-C

Aerodynamic Heating at Mach Nos. 3&4

MX-1678

Dispenser, Aerial

MX-1678-A

Dispenser, Chaff, for VHB Aircraft

MX-1678-B

Chaff- Dispenser, Cutter Type

MX-1679

Air Conditioning, Aircraft

MX-1679-A

Cooling Unit, aircraft, Simple Air Cycle

MX-1679-B

B/31 Project - Scrubber, Design A; Compressor, Design A.

MX-1687

Measurements, Pressure, Free Air Blast

MX-1707

Aircraft, Transport, Heavy and Carrier, Parasite/Missile

MX-1708

System, Rotor, H-16 Helicopter

MX-1709

Tubes, Electron, Utilizing Radioactive Isotopes

MX-1710

Investigation of the Closed Circuit Oil System as Applied to a Turbo-Jet Engine Aircraft Installation

MX-1711

Weapons, Special

MX-1712

Supersonic Medium Bomber/Recon Airplane

MX-1713

Towing, In-Flight

MX-1714

Engine XT-49

MX-1715

Flight Comparability Tests F-8S

MX-1716

Mines and Mining, Aerial

MX-1717

Set. Test. VSWR, X-Band

MX-1719

High Speed Free-Fall Target

MX-1720

Visual Reconnaissance Aids

MX-1721

Systems, Stabilization and Automatic Flight Control, for Guided Missiles

MX-1722

Techniques, Interpretation and Prediction, Radar Target

MX-1723

Transmitter, Jamming, Airborne (for use against tank communications)

MX-1724

Reconnaissance, Infrared, Airborne

MX-1726

Antennas, Dragless, for High-Speed Aircraft

MX-1727

Turbosupercharger, Design and Development of (Low H.P. Reciprocating Engines)

MX-1728

Pumps, Tank Mounted, Fuel and Propellant

MX-1729

Navigator, Electronic, All-Weather Helicopter (HELINAV)

MX-1730

K-44 Ground Forces Camera