U.S. Navy CE1 Jonathan McGrath drills a hole in a truss during construction at Esperanza Elementary School as part of KAMANDAG in Casiguran, Aurora, Philippines, Sept. 30, 2017. Bilateral exercises such as KAMANDAG increase the ability of the United States and the Philippines to rapidly respond and work together during real world terrorist or humanitarian crises, in order to accomplish the mission, support the local population and help mitigate human suffering. McGrath is a construction electrician with Naval Mobile Cosntruction Battalion 3, and is a native of Syracuse, New York. (U.S. Marine Corps photo by Sgt. Matthew J. Bragg)