| AA |
Associate
Administrator |
| ACME |
Advanced
Combustion Microgravity Experiment |
| ACUC |
Animal
Care and Use Committee |
| ACWP |
Actual
Cost of Work Performed |
| ADAS |
Ambulatory
Data Acquisition System |
| ADM |
Acquisition
Decision Memorandum |
| ADP |
Acceptance
Data Package |
| AEE |
Advanced
Engineering Environment |
| AEMC |
Advanced
Environmental Monitoring and Control GFM-2 |
| AER |
Advanced
Exploration Research |
| AES |
Anthropometric
EVA Suit |
| AEVA |
Advanced
Extra Vehicular Activity |
| AFC |
Auxiliary
Fluids Container |
| AFT |
Advanced
Food Technology |
| AHLS |
Advanced
Human Life Support |
| AHST |
Advanced
Human Support Technologies |
| AIM |
Advanced
Integrated Matrix |
| AL |
Air
Lock |
| ALP |
Advanced
Liquid Pumps |
| ALS |
Advanced
Life Support |
| AO |
Announcement
of Opportunity |
| AoA |
Analysis
of Alternatives |
| AOA |
Annual
Operating Agreement |
| AP |
Acceleration
Projects |
| APB |
Acquisition
Program Baseline |
| APG |
Annual
Performance Goal |
| APMC |
Agency
Program Management Council |
| APPL |
Academy
of Program and Project Leadership |
| APSSP |
Advanced
Propulsion Systems and Space Power |
| AR |
Air
Revitalization |
| ARC |
Ames
Research Center |
| ARD |
Aeronautics
Research Mission Directorate |
| ARED |
Advanced
Resistive Exercise Device |
| ARM |
Active
Risk Manager |
| ARIS |
Active
Rack Isolation System |
| ARMD |
Aeronautics
Research Mission Directorate |
| ARR |
Assemble,
Test, and Launch Operations (ALTO) Readiness Review |
| ARS |
Air
Revitalization System |
| AS |
Acquisition
Strategy |
| ASBCA |
Armed
Services Board of Contract Appeals |
| ASI |
Agency
Safety Initiative |
| ASIC |
Application-Specific
Integrated Circuit |
| ATD |
Advanced
Technology Development |
| ATHINA |
Investigation
of Diffusion Flame Tip Thermo-diffusive and Hydrodynamic Instability
Under Microgravity Conditions |
| ATP |
Authority
to Proceed |
| ATP |
Acceptance
Test Plan |
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