| GSFC | Goddard Space Flight Center [NASA] |
| MSFC | [George C.] Marshall Space Flight Center [NASA] Huntsville, http://www.msfc.nasa.gov |
| GISS | Goddard Institute for Space Studies |
| GSOC | German Space Operations Center |
| JSC | Johnson Space Center [NASA] |
| KSC | Kennedy Space Center [NASA] http://www.nasa.gov/centers/kennedy/home/index.html |
| WSMC | Western Space & Missile Center |
| APSC | Asian Pacific Space Center [engl.] Weltraumkonsortium mit Sitz in Sydney |
| NSSDC | National Space Science Data Center |
| CSOC | Consolidated Space Operations Center [at Colorado Springs] |
| GHRS | Goddard High Resolution Spectrograph |
| TSST | Time-Space-Space-Time network |
| N | Night-flight Nachtflug |
| FSS | Flight Service Station |
| FRR | Flight-Readiness Review |
| IFR | Instrument Flight Rules |
| FMC | Flight Management Computer |
| CFIT | Controlled Flight Into Terrain |
| VFR | Visual Flight Rules |
| FAA | Flight and Avionic Administration |
| TTOF | Tandem Time-Of-Flight |
| FDM | Flight Dynamic Model |
| CFI | Certificated Flight Instructor |
| MFP | Minimum Flight Path [engl.] |
| FTS | Flight Telerobotic Servicer [Weltraum] |
| FSDO | Flight Standards District Office |
| MTF | Metastable Time-of-Flight technique |
| TFTS | Terrestrial Flight Telephone System |
| EFIS | Electronic Flight Instrumentation System |
| UFIS | Universal Flight Information System |
| AFC | Automatic Flight Control [engl.] Automatische Flugzeugführung |
| AFWA | Automatic Flight Weather Advisory [engl.] Automatische Flugwetteransage |
| LOFT | Launch Operations Flight Test [Weltraum] |
| PMS | Pulsed [time-of-flight] Mass Spectrometer |
| GV | Aero Flight [IATA-Airline-Code/ Deutschland] |
| YC | Flight West Airlines [IATA-Airline-Code / Australien] |
| MO | Amiri Flight [IATA-Airline-Code/ Vereinigte Arabische Emirate] |
| DNIF | Duty not in flight, derzeit nicht flugtauglich aber ansonsten dienstfähig |
| ROADS | Running Out of A Space |
| SP | Space [Leertaste] |
| DSN | Deep Space Nine |
| ISY | International Space Year |
| ISS | International Space Station Washington, DC, http://spaceflight.nasa.gov/station |
| LWSP | Linear White-Space |
| SCL | Space Charge Layer |
| OST | Open Space Technology |
| ESO | European Space Organization |
| ISO | Infrared Space Observatory |
| RSP | Required Space Character |
| SLV | Space Launch Vehicles |