Abbreviateion for: "Ready Team Fire Assist"
RTFA is a military term for a 4 man squad formation that offers 360 degree cover.
Ready: Rifleman (Any Rifle Mid to Long range Rifle)
Team: Squad Leader (Often a midrange weapon such as m16, diamaco C7 or SA80)
Fire: Support Expert (Usually With a SAW squad automatic weapon
Assist: Assistant Gunner (Equipped with an LMG or Heavy Rfle/Grenade launcher Combo)
This formation is used in modern warfare, and tends to be performed in a Box formation (2 covering flank and rear and 2 covering front)it has porved to be vital to the survival of soldiers.