U.S. Marine Corps Cpl. Dustin Miles, a rifleman with the Ground Combat Element, Marine Rotational Force - Darwin, conducts a patrol during Jungle Warfare Training, Tully, Australia, April 15, 2019. Jungle warfare training is conducted to condition service members to thrive in hectic tropic environments and gives them the opportunity to prepare for arduous jungle warfare scenarios. (U.S. Marine Corps photo by Lance Cpl. Nicholas Filca)