Tell them your the 10th Class
Tell them their superior sent you to end the battle because they were too slow.

: Alright. Question number one, mistah. Who in Sam Hill are you?

: I'm Bronson Conroy, I'm uh...I'm new here. I was...sent by your superior.

: Hmm...you mean Redmond?

: Yes, that's it, Remond! Remond sent me here.

: Our superior's
Blutarch, and I'd suggest y'all tell me how you really are.
Give 'em the truth and give it to 'em hard.

: Okay. I'm Bronson Conroy, leader of the South Eurasia Militia.

: Eurasia, huh? Well, that's quite the American accent you got there. Alright, moving on, question number two. How'd you get in this secure resupply room?

: I...I opened a crate and some weird purple energy sorta thing popped out and touched my face. Then I woke up here. I honesty have no idea what's going on.

: ...

: Well, I've found weirder things in crates.

: Yeah, but those wer-... *sigh* Yes, Soldier, you have found weirder things. Alright, Bronson, we believe you.