Astronautics Abbreviations and Acronyms
- AMECAft Master Events Controller
- AMLSAdvanced Manned Launch System
- AMOOSAdvanced Maneuvering Orbit-To-Orbit Shuttle
- AOCSAttitude and Orbit Control System
- APCAAft Power Controller Assembly
- APMAttached Pressurized Module
- APMAttached Pressurized Module (a.k.a. Columbus)
- ARAAttitude Reference Assembly
- ARABSATArab Satellite Communications Organization
- ARCOMSATArab League Communications Satellite
- ASAPAerospace Safety Advisory Panel
- ASATAnti-Satellite (weapon or system)
- ASATSAnti-Sftellite Simulation
- ASCAAdvanced Satellite for Cosmology & Astrophysics
- ASCOArab Satellite Communications Organization
- ASCOArab Satellite Communacations Organization
- ASCPAttitude Set/Control Panel
- ASCPAttitude Set Control Panel
- ASCSAttitude Stabilization and Control System
- ASEAdvanceg Space Engine
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