Major Evan Lorne, USAF is a fictional character in the 2004 Canadian–American Sci-Fi Channel television series Stargate SG-1 and Stargate Atlantis, two military science fiction shows about military teams exploring the galaxy via a network of alien transportation devices. Played by Kavan Smith, Evan Lorne was first introduced as a recurring character in the seventh season of Stargate SG-1, holding the military rank of Major in the United States Air Force. He joins the Atlantis expedition after "The Siege" as one of the personnel on the Daedalus class battlecruiser.