He obliges without questioning that, either. He knows why. It's coming back, but whatever Hydra did to him-- it's enough to make it hard. He can't push. As much as he wants to grab Bucky by his shirtfront and just shake him until he remembers everything, he can't.

They're going to the Smithsonian. That has to be enough.

He shifts his fingers along the overhead bar. He's leaving slight impressions in the metal with how tightly he's gripping it.

"This is our stop."