U.S. Marines with 1st Battalion, 1st Marine Regiment,

U.S. Marines with 1st Battalion, 1st Marine Regiment, listen to U.S. Marine Corps Maj. Gen. Richard L. Simcock, Commanding General 3D Marine Division as he speaks about Marine Rotational Force Darwin (MRF-D) on Robertson Barracks, Darwin, Australia on April 24, 2016. MRF-D is a six-month deployment of Marines into Darwin, Australia, where they will conduct exercises and train with the Australian Defence Forces, strengthening the U.S.-Australia alliance. (U. S. Marine Corps Photo by MCIPAC Combat Camera Lance Cpl. Osvaldo L. Ortega III/Released)