Staff Sgt. Edgardo Marin, 379th Expeditionary Maintenance Squadron aircraft metals technology craftsman, uses a welding torch complete a cruise missile cart at Al Udeid Air Base, Qatar, on Sept. 5, 2019. The metal technology shop performs maintenance work with welding and fabrication to keep the aircraft in flight and repair equipment for all the units on the installation as well as Qatari Air Force. (U.S. Air Force photo by Staff Sgt. Ashley L. Gardner)