Claire Tobias is a Lieutenant in the United States Air Force and a member of the National Intelligence Department. She worked on a secret base off-world as part of a team, led by Major Dean Newman, created to steal alien technology. She was an engineer assigned to reverse engineer objects too large to smuggle back to Earth, such as the Antigravity device. She was taken in to custody as part of Colonel Jack O'Neill's sting operation. (SG1: "Shades of Grey")