190406-M-TU241-0341 TARLAC, Philippines (April 6, 2019) U.S. Marine 2nd Lt. Carlos Letts with 3rd Battalion, 6th Marine Regiment, assists a Philippine Marine with an M27 infantry automatic rifle at a live-fire range on Colonel Ernesto Ravina Air Base, Philippines, April 6, 2019, during Exercise Balikatan. In its 35th iteration, Balikatan is an annual U.S.-Philippine military training exercise focused on a variety of missions, including humanitarian assistance and disaster relief, counter-terrorism, and other combined military operations. (U.S. Marine Corps photo by Lance Cpl. Isaiah Campbell/Released)