you see a group of 4 black ops soldiers, one of them is preparing a Nuclear device while the other 3 stand guard

Soldier 1: "i never thought that i would ever have to fight aliens, what about you?"

Soldier 2: "Man, Black Mesa is a top secret research facility, of course they were studying aliens and shit! What else would they be doing? Curing cancer?"

Soldier 3: "can both of you shut up?! I can't focusse! One fuck up and we're all die!"

Soldier 4: "Jeez no need to be so negative about everything Ste-"

Soldier 3: "Don't use our real names! Use the code names!"