| A/C | aircraft
|
| AFFTC | Air Force Flight Test Center
|
| AFRES | Air Force Reserve Squadron
|
| ANG | Air National Guard
|
| AOA | angle of attack
|
| APU | auxiliary power units
|
| ASSET | aerothermodynamic/elastic structural system environmental tests
|
| DFC | distinguished flying cross
|
| EVA | extravehicular activity
|
| g | acceleration of gravity
|
| GE | General Electric Company
|
| GN2 | gaseous nitrogen
|
| He | helium
|
| HSFS | High-Speed Flight Station (now NASA Ames-Dryden)
|
| L/D | lift-to-drag ratio
|
| LN2 | liquid nitrogen
|
| LOX, LO2 | liquid oxygen
|
| M | Mach number
|
| NAA | North American Aviation, Inc.
|
| NACA | National Advisory Committee for Aeronautics
|
| NASA | National Aeronautics and Space Administration
|
| NH3 | anhydrous ammonia
|
| PIO | pilot-induced oscillation
|
| PRIME | precision recovery including maneuvering entry
|
| PSAC | President's Scientific Advisory Committee
|
| q | dynamic pressure; also called "q bar"
|
| R/E | redundant/cmergency (systems)
|
| RMI | Reaction Motors, Incorporated
|
| SAB | Scientific Advisory Board
|
| SAMS | surface-to-air missiles
|
| SSTO | single stage to orbit
|
| T | time, thrust
|
| USAF | United States Air Force
|
| USN | United States Navy
|
| WADC | Wright Aeronautical Development Center
|
