University of Puerto Rico, Mayaguez Air Force Reserve Officer Training Corps Detachment 756 cadets listen to a briefing about the 821st Contingency Response Group’s mission during a tour Jan. 29, 2020, at Travis Air Force Base, California. Ninety-six cadets from the University of Puerto Rico visited the base to better understand what to expect in the operational Air Force. (U.S. Air Force photo by Senior Airman Jonathon Carnell)