A Philippine Navy sailor with 3rd Naval Combat Engineering Battalion mixes concrete during Exercise Balikatan at Luga Elementary School, Santa Teresita, Cagayan, Philippines, May 6, 2018. Exercise Balikatan, in its 34th iteration, is an annual U.S.-Philippine military training exercise focused on a variety of missions, including humanitarian assistance and disaster relief, counterterrorism, and other combined military operations held from May 7 to May 18. (U.S. Navy photo by Mass Communication Specialist 3rd Class Kryzentia Richards)