Lance Cpl. Eric J. Radtke, a rifleman, scans the area

Lance Cpl. Eric J. Radtke, a rifleman, scans the area outside of their objective during Exercise Hamel at Cultana Training Area, South Australia, Australia, July 7, 2016. Exercise Hamel is a trilateral training exercise with Australian, New Zealand, and U.S. forces to enhance cooperation, trust, and friendship. Radtke, from Oak Creek, Wisconsin, is with Company C, 1st Battalion, 1st Marine Regiment, Marine Rotational Force – Darwin. (U.S. Marine Corps photo by Lance Cpl. Osvaldo L. Ortega III/Released)