Sgt. Michael A. Polis, an intelligence specialist,

Sgt. Michael A. Polis, an intelligence specialist, fireman carries a notional casualty after a simulated attack during Exercise Hamel at Cultana Training Area, South Australia, Australia, July 8, 2016. Exercise Hamel is a trilateral training exercise with Australian, New Zealand, and U.S. forces to enhance cooperation, trust, and friendship. Polis, from North Las Vegas, Nevada, is with Headquarters and Service Company, 1st Battalion, 1st Marine Regiment, Marine Rotational Force – Darwin. (U.S. Marine Corps photo by Cpl. Mandaline Hatch/Released)