The 
U.S. Army, like any bureaucratic organization, produces its own acronyms, which often come to have meaning beyond their bare expansions.
Official acronyms include:
-  AFV - armored fighting vehicle
 -  MRE - officially, Meal Ready to Eat; (also: Meal Rejected by Ethiopians)
 
Slang acronyms include:
-  FIGMO - Fuck it, I've got my orders
 -  FUBAR - Fucked up beyond all recognition
 -  FUGAZI - Fucked Up, Got Ambushed, Zipped In
 -  FUMTU - (Things are) fucked up more than usual
 -  JANFU - Joint Army-Navy fuck-up
 -  REMF - Rear echelon mother fucker (i.e: a micromanaging, interfering back room commander)
 -  RTFM - Read the fucking manual
 -  SNAFU - Situation normal, all fucked up
 -  SUSFU - Situation unchanged, still fucked up
 -  TARFU - Things are really fucked up
 -  WOFTAM - Waste of fucking time and money
 
 
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