This is true - it's not every day that three advanced-technology helicarriers attempt to murder a shit ton of Americans and end up crashing and burning in the Potomac. Steve's head is just swimming with questions, alongside forming plans of vengeance when they get back home.

They will get back home. Somehow.

But Captain America draws on some of his store of patience, falling into step beside the other man. "Can you tell me about some of that? If you want to." His memories, his choice. Steve will do his level best not to pry if that's what Bucky wants.