Stennis Space Center 
Swedish Space Corporation 
Soldier Systems Center 
Space Surveillance Center 
Satellite Situation Center 
Science Steering Committee 
Scientific Steering Committee 
Senior Service College 
Service School Command 
Superconducting Super Collider 
Senior Service Colleges 
Soldier Support Center 
Spitzer Science Center 
Scientific Support Coordinator 
Short-segmented cask 
Shuttle System Contractor 
Single-Stage Command 
Southern Switching Company 
Special Security Center 
Special Service Center 
Special Services Center 
standard saline citrate 
Standard Speech Circuit 
Standard Systems Center 
State Services Commission 
Station Selection Code 
Subsystem Sequence Controller 
Super Sexy Cute 
Supply Service Center 
supply status code