U.S. Navy Lt. J.G. Jennifer Tran, right, Expeditionary Resuscitative Surgical System (ERSS) Team 12 critical care nurse and native of Fairfax, Va., and Hospital Corpsman Chief Jonathan Tarkowski, Marine Medium Tiltrotor Squadron (VMM) 263 (Reinforced), 22nd Marine Expeditionary Unit (MEU), medical chief and native of Tulsa, Okla., treat a simulated patient aboard a CH-53E Super Stallion during a tactical evacuation drill. The 22nd MEU is deployed with the Bataan Amphibious Ready Group as a theater reserve and crisis response force throughout U.S. Central Command and the U.S. 5th Fleet area of responsibility. (U.S. Marine Corps photo by Cpl. Manuel A. Estrada/Released)