Australian Royal Navy Cmdr. Tony Case, left, the officer

Australian Royal Navy Cmdr. Tony Case, left, the officer in charge of the Force Posture Coordination Team, discusses the lighting conditions in the maintenance bay with U.S. Marine Lt. Col. Matthew Emborsky in preparation for the Marine Rotational Force - Darwin scheduled to begin in March in Darwin, Australia Jan. 28, 2018. The presence of U.S. Marines in Australia reflects the enduring alliance and common security interests in the region and improves interoperability between the two nations. Emborsky, a Wilson, New York native, is the officer in charge of the Forward Coordination Element in Darwin. (U.S. Marine Corps photo by Staff Sgt. Valerie Eppler)