He stares at Tony and his annoyed look in confusion--he had answered him. It's not his fault the answer hadn't matched what he'd expected. Bucky warily watches the other man, concerned he's about to be punished and says instead, "Mission."

It's the first thing that comes to mind. It's one of those things that's ingrained to his bones. The order makes his forehead crease. He is focusing. "And..." he searches for the word he wants before he says, "And alarm. He made me remember." Bucky wet the corner of his mouth. "I wasn't supposed to remember."