Brennan will get the slightest of grins in response to his commentary. The exterminator joke is appreciated, as these aren't the first nasty bugs Sergeant Calhoun has dealt with, either.

"We are the exterminators. But I don't know if I trust half the guys I've seen on this field to know what the hell they're doing..." She isn't so sure she trusts this guy, but the bug humor has given him an in. So she gives him the benefit of the doubt here. "What do you know about behemoth bugs, soldier?"