watch 03:27 Wiki Targeted (Entertainment) Do you like this video? Play Sound Mansfield is a Major in the United States Air Force and leader of SG-17. Biography[edit | edit source] 2002[edit | edit source] He lead his team to Revanna to take part in a tour of the Tok'ra base. He was killed in a cave-in, when the Goa'uld Zipacna attacked the underground tunnels. (SG1: "Summit", "Last Stand") Retrieved from "https://stargate.fandom.com/wiki/Mansfield_(SG-17)?oldid=392313" Categories: Americans United States Air Force personnel Majors SG-17 members Deceased characters One-shot SG-1 characters Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.