Cause for hysteria LOL

So my youngest brother joined the army national guard months ago and since he's a senior this year he hasn't been to basic yet but he still does his "one weekend a month". So today they were supposed to do first aid stuff but instead they did "how to clear a room like SWAT". They were given a five minute shpeel about if you stand in this order these people check this part of the room and be sure to crouch down . Then they were sent on training scenarios. Usually they have 4 man squads but the numbers didn't workout so Ben was in a six man squad. So they do their thing and five minutes later everybody was killed by the "terrorists". Reset: it takes longer but the "terrorists" win again.
Take three: They do much better checking things and find 2 of the 3 "terrorists" so they split up and most of the squad takes in the prisoners leaving Ben and a guy to keep watch I guess (he was vague on these details). So they hear a noise and go in to check it out and see a very skinny cabinet is open so they check it out- empty. So Ben turns around and sees that his buddy (who is tall) is a hostage to the last "terrorist" Cadet Mowers (who is short and has the hostage bent over backwards into a headlock threatening him with a cardboard knife, the squads use unloaded m-16's and shout "bang!" to fire them). Mowers backs away using the guy as a shield all the way down the stairs (the guys feet thump down every step) while shouting in Arabic (made up gibberish really). And then the two of them disappear into the bathroom. Ben (who is also really tall) crouches down and follows them hoping for a chance to fire but hesitates outside the bathroom because the door opens into the hall and he worries about being ambushed. He finally goes in and sees no one. He checks under the stalls and sees only one pair of feet- hmm his buddy's or the "terrorist's"? So he sneaks over and gently pushes the door with the gun- locked. So he sneaks into the stall next door, climbs up on the seat, pops up over the top and...
BANG! BANG! BANG! BANG! BANG! BANG!
The poor Staff Sargent (who is not part of the maneuvers at all) has the poop scared right out of him. He yells all sorts of things and Ben ducks back down. He leaves his stall and is "killed" by the laughing "terrorist" who had "killed" his buddy (who is also laughing) before Ben came in. The staff Sargent gives Ben a cussing out and a bunch of push ups, but Mowers (the "terrorist") defends him, so Ben only has to do 50. Poor kid, he will never live this down.
When he told us we all laughed so hard we were crying and I could barely breathe. Little John thought that was great so he starts laughing and shrieking and waving his arms all over which only makes us laugh harder. In Ben's defense: they really shouldn't let people wander into active scenarios if they aren't involved.