1 definition by ISU Drew
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.
by ISU Drew February 9, 2009