U.S. Navy Sailors aboard the USS Anchorage (LPD 23) transport a simulated burned Marine during a mass casualty drill while participating in Composite Training Unit Exercise (COMPTUEX) off the coast of San Diego March 24, 2015. The Marines and Sailors of the 15th Marine Expeditionary Unit and Essex Amphibious Ready Group work together to ensure they are prepared to handle crises and guarantee the best possible medical care. (U.S. Marine Corps photo by 1st Lt. Allison Burgos/Released)