Mighty Ninety celebrates victories in GSC ‘21
1st Lt. Linda Rivera Matsuo, combat missile crew commander at the 321st Missile Squadron, simulates operating a launch control capsule in the missile procedure trainer at F.E. Warren Air Force Base, Wyoming, Sept. 7, 2021. Personnel at the 90th Operations Group were running through operations at the missile procedure trainer in preparation for competing in Global Strike Challenge 21. (U.S. Air Force photo by Airman 1st Class Charles Munoz)