[A half shake of his head, the edge of his hand appearing on screen to stop them there.]

Sorry, it's been a while. [Both since he'd been around civilians for an extended period of time, and since it had all but become part of the common lexicon anyway.] M-O-P-P - Mission Oriented Protective Posture. Biosuits, masks, oxygen-- that stuff that keeps you alive when the environment is compromised.