Jetfire

Jetfire appears in Transformers: Revenge of the Fallen. He is an SR-71 Blackbird and portrayed as a Decepticon who becomes an Autobot because he didn't believe in all the destruction and violence the Decepticons brought. Originally serving the Fallen, Jetfire is one of the few Transformers to remain on Earth since the dawn of mankind.

According to the biography and statistics published on the Hasbro web site Jetfire is 50 feet tall and his main weapon is his particle beam cannon.