"HOLY MARRY MOTHER OF GOD!!" I use that when either I see something like a fight breaks out or when I screw up and cant swear.

infantry friend of mine when we have him pinned in paintball had one. The guy wouldnt curse for anything!

"Jimeny Crickets!"

son of a biscuit eater!

From history... "Nuts."

SNAFU, TARFU & FUBAR are classic.

"This is just about nucking futs" was my safety catch phrase.

or

"Bun of a sitch"

Rh Oeally?

Blow or Bother, and if you believe that you will believe anything

well i HAVE to go with FUBAR it just fits in many spots and acctually many ppl dont knwo what it means so you can have fun with it 8)

lol yeah FUBAR is extremely useful for infront of the officers and civvies

HOOAH!

"What is your major malfunction, private!??!?"

Private Joker, do you believe in the Virgin Mary