U.S. Marine Corps Lance Cpl. Richard Chargualaf, a

U.S. Marine Corps Lance Cpl. Richard Chargualaf, a combat engineer with Logistics Combat Element, Marine Rotational Force - Darwin, performs field environment training on Robertson Barracks, NT, Australia, July 14, 2020. Chargualaf is a Piti, Guam native. The Marines trained in a variety of scenarios including casualty evacuations, security and reconnaissance patrols, as well as defensive tactics. MRF-D enables U.S. Marines and the ADF to enhance regional security, strengthen alliances and partnerships, and increase the ability to rapidly respond to crises throughout the region. (U.S. Marine Corps photo by Cpl. Sarah Marshall)