He doesn't always use his forearm cannons and is shown holding Cybertronian weapons in a standoff with two Decepticons alongside Sideswipe. It's a brief scene that shows off Ironhide's strength ...

Autobots Bumblebee, Ratchet, Ironhide, Mirage (aka Dino), Wheeljack ... between the United States and Russia to reach a hidden Cybertronian spacecraft on the moon and learn its secrets, and ...