Special Operations Squadron 
same old stuff 
Squadron Officer School 
same old shit 
SHARE Operating System 
sotras 
Speed of Service 
Symbolic Operating System 
Service Order System 
Shop Out of Stock 
Sibling over shoulder 
Silicon on Sapphire 
Source of Supply 
Southern Oxidant Study 
Southern Oxidants Study 
Save Our Ship 
Save Our Souls 
Secretary of State 
Security Operations and Services 
Sensor Observation Service 
Sensor Observations Service 
Serial Output Special 
Somali shilling 
Someone Special 
Space Operations Simulator 
Squadron Officers School 
Squadron Officers' School 
Stabilized Optical Sight 
Standards and Open Systems 
Standing Order Service