Special Access Surcharge 
Software Accomplishment Summary 
Space and Airborne Systems 
Special Air Service 
Stability Augmentation System 
Statistical Analysis System 
Security Associations 
single attachment station 
Survivable Adaptive Systems 
Saab-Scania 
Scandinavian Airlines System 
Second Amendment Sisters 
Small Astronomy Satellite 
standard attributes 
Statement of Auditing Standards 
Switched Access Service 
School of Applied Science 
Science Analysis Software 
Sealed Authenticator System 
secondary alarm station 
Sensitive Application Systems 
Sensor Alert Service 
Silicon Asymmetrical Switch 
Single Attached Station 
Small Angle Scattering 
Solar Array Simulator 
Solar Array System 
Southern All Stars 
Space & Airborne Systems 
Space Adaptation Syndrome