Tech. Sgt. Martin Rygula, an aerial porter assigned to the 821st Contingency Response Group at Travis Air Force Base, Calif., carefully makes sure a trailer is loaded on properly onto an aircraft during Cerberus Strike 16-01 at Fort Carson, Colo., April 24, 2016. The exercise allowed for members the opportunity to rehearse potential real-world situations. (U.S. Air Force photo by Tech. Sgt. Gustavo Gonzalez/Released)