[Bucky loads another paintball into the chamber, barely looking down at the weapon in his hand. He nods once.]

US Army, 1940 to 1945. [It's an easier explanation than anything about the Winter Soldier, and frankly his Army days are what he's most proud of.] Here, I'm Perimeter Guard. Search and Rescue.

[A slight, curious glance.] And what is it you do? You hold yourself well out here. Not a total rookie.