2LT - Too Lost Troopie LT - Lost Troopie CPT - Cnut Prize Troopie (a rare sight as they've usually been listed as missing in action)
Evidenced examples of lost Troopies:
Canada - placing a minefield behind defensive positions - which way were those claymores facing again?
UK - mistaking a firing range for daddies hunting fields, and walking across it during live firing despite whistle and crack of 7.62mm rounds all around him.
Troopies have been known to to transfer to the AGC after repeated incidents...bless 'em