Agricultural Stabilization and Conservat… 
Air Support Control Section 
Aft Shroud Cooling System 
Agricultural Stabilization and Conservat… 
Area Surveillance Control System 
Atmosphere Storage and Control Subsystem 
Atmospheric Storage and Control Section 
Attitude Stabilization and Control Syste… 
Automatic Stabilization and Control Syst… 
adipose stromal cells 
Adipose-derived stromal cells 
adult stem cells 
Advanced Satellite Control Segment 
Advanced Satellite Control System 
Aerospace Sector Certification Scheme 
air supply control system 
air system-cleaning specialist 
altered states of consciousness 
Aluminum Straight Clamp Strap 
Ambulatory surgery centers 
ambulatory surgical centers 
American School of Classical Studies 
antibody-secreting cells 
ASCONI CORP. 
asymptomatic carriers