"Glad to hear it." Both that the stuff was useful, and he and Optimus were friends.

"Ratchet?" He paused, thinking about how to answer. "I suppose it hasn't really been that long since he became part of my crew, but I'm glad he did. He's a good friend, I would trust him with anything. Not to mention having someone around with his perspective, his experience in the Great War, I've learned a lot."