Capt. Michael R. Trumm and Gunnery Sgt. Joshua M. Rivera talk to evacuee role players during a humanitarian assistance-disaster relief mission as part of Amphibious Integration Training at Freshwater Beach, Shoalwater Bay Training Area, Queensland, Australia, August 8, 2017. Trumm is a logistics officer and Rivera is a logistics chief, both with Combat Logistics Battalion 31. During AIT, Marines with Combat Logistics Battalion 31, the Logistics Combat Element for the 31st Marine Expeditionary Unit, and Marines with Battalion Landing Team, 3rd Battalion, 5th Marines, the Ground Combat Element for the 31st MEU, refined their abilities to provide security and life-sustaining support for possible HADR operations. The 31st MEU and PHIBRON 11 are conducting AIT in preparation for Certification Exercise, and to ensure readiness for crisis response throughout the Indo-Asia-Pacific region. The 31st MEU partners with the Navy's Amphibious Squadron 11 to form the Bonhomme Richard Expeditionary Strike Group. (U.S. Marine Corps photo by Cpl. Amaia Unanue/Released)