And probably only recently had his first death, which is why he seems to have no concern over getting shot at outside Al Muwaffiquya; he's not thinking it through and realizing it's still possible, even if unlikely, he could lose his head, or that he really doesn't want to deal with the repercussions if so many people were to see him get up from being shot. Colbert knows (and probably saw him die for the first time) and lets him keep a sword hidden under all the crap in back of the Humvee. Person's comment about how awesome it would be if Colbert "rode into battle with a sword" is an in-joke they share, possibly even a way to preemptively explain Person's sword as just another part of his usual sillyness, in case anyone ever sees it.
Which is why all the guys want him
. Besides, he's not pale enough for a Meyerpire
Weary of the weird clothing and camp
ways of the future, he travels back to the 21st century to find his true identity in war
that Wright will inevitably write a book about the experience, they used as many military jargons as possible in front of him so that he would have to describe them in the book, making the ordinary civilians understand the military better.
- Actually, folks in the branches of the military tend to talk like that all the time. It gets weird when everybody in the room is using the same acronym to describe something, and everybody knows what it is describing, but nobody knows what the acronym actually means.
Obviously, given his status
amongst the Marines, he was given a faulty variant of the Super-Soldier Serum, which caused him to be, well, a little unhinged.