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1 definition by ISU Drew

 
1.
Army Acronym for Fire Support. The Army MOS of 13F is a Fire Support Specialist, they are also referred to as a FIST team on the company level or FISTer on an individual basis. A FISTers job is to seek out enemy targets and give coordinates to the target so our artillery can successfully engage the enemy from a safer location.
Man Alpha Co. has one bad ass FIST team.
by ISU Drew February 09, 2009