What does STF stand for?

What does STF mean?

STF	Special Task Force Governmental » Military
STF	Summary Tape File Computing » General
STF	Spokane Team Fortress Community » Sports
STF	Stepover Toehold Facelock Community » Sports
STF	Symmetric Trace Free Academic & Science » Mathematics
STF	Space-Time-Frequency Academic & Science » Physics
STF	Silence The Feedback Academic & Science » Electronics
STF	Spinning Toe Face Community » Sports
STF	Super Twin Fan Governmental » Military
STF	Single Tuning Frequency Academic & Science » Amateur Radio
STF	Submission Through Fear Community » Law
STF	Software Test Facility Governmental » NASA
STF	Software Test Facility Governmental » Military
STF	Slayers Task Force Community » Sports
STF	ShrinkToFit Compressed file archive Computing » File Extensions
STF	Some Tests Failed Governmental » Military
STF	Special Teaching Facility Community » Educational
STF	Stephen Island, Queensland, Australia Regional » Airport Codes
STF	Sleuth Testing Framework Computing » Software
STF	Sunny Tang Family Miscellaneous » Funnies
STF	Single Tuned Frequency Academic & Science » Electronics
STF	Sid The Fly Miscellaneous » Funnies
STF	Scheduled Transfer Facility Governmental » Transportation
STF	Submission To Fear Community » Religion
STF	Structural Fatigue Test Governmental » NASA