The 821st Contingency Response Group offloads equipment from a C-5M Super Galaxy from Travis Air Force Base Calif., at Roosevelt Roads, Puerto Rico, Sept. 25, 2017. A 70-member contingency response element from the 821st Contingency Response Group stationed at Travis AFB deployed to Puerto Rico in support of Hurricane Maria relief efforts. (U.S. Air Force photo by Staff Sgt. Robert Hicks)