Society of American Foresters 
Secretary of the Air Force 
Structural Adjustment Facility 
Spacecraft Assembly Facility 
Science Archive Facility 
Service Access Facility 
Singapore Armed Forces 
Special Action Force 
System Authorization Facility 
Second Amendment Foundation 
Security Assistance Force 
Security Authorization Facility 
semi-automated forces 
Server Application Function 
Service Availability Forum 
Single Access Forward 
Single Asian Female 
stuck-at fault 
Sudanese Allied Forces 
symmetry adapted function 
IATA code for Santa Fe Municipal Airpo… 
safe, arm and fuze 
safed 
Safety 
Safety, Arming and Firing 
Safety, Arming and Firing Device 
safflower oil 
Sample Analysis Form 
Sample authorization form 
San Andreas Fault