Afghan National Army soldiers with 6th Kandak, 1st Brigade, 215th Corps insert notionally wounded soldiers into an Mi-17 helicopter during casualty evacuation training at Camp Shorabak, Afghanistan, Nov. 19, 2017. The Helmand Regional Military Training Center implemented its first iteration of CASEVAC training using Afghan air assets as part of the operational readiness cycle to help prepare its students for real-world missions. U.S. advisors assigned to various train, advise, assist commands from throughout Afghanistan observed the training in preparation for integrating standardized CASEVAC rehearsals into their unit’s ORCs. (U.S. Marine Corps photo by Sgt. Lucas Hopkins) - Afghan National Army soldiers with 6th Kandak, 1st Brigade, 215th Corps insert notionally wounded soldiers into an Mi-17 helicopter during casualty evacuation training at Camp Shorabak, Afghanistan, Nov. 19, 2017. The Helmand Regional Military Training Center implemented its first iteration of CASEVAC training using Afghan air assets as part of the operational readiness cycle to help prepare its students for real-world missions. U.S. advisors assigned to various train, advise, assist commands from throughout Afghanistan observed the training in preparation for integrating standardized CASEVAC rehearsals into their unit’s ORCs. (U.S. Marine Corps photo by Sgt. Lucas Hopkins)

Afghan National Army soldiers with 7th Special Operations Kandak, 215th Corps carry a simulated casualty toward an Afghan Air Force Mi-17 helicopter at Camp Shorabak, Afghanistan, Sept. 10, 2017. Approximately 65 soldiers completed nighttime CASEVAC training, which focused on enhancing their procedures when faced with wounded personnel on the battlefield and providing a realistic training environment in preparation for real-world scenarios. (U.S. Marine Corps photo by Sgt. Lucas Hopkins) - Afghan National Army soldiers with 7th Special Operations Kandak, 215th Corps carry a simulated casualty toward an Afghan Air Force Mi-17 helicopter at Camp Shorabak, Afghanistan, Sept. 10, 2017. Approximately 65 soldiers completed nighttime CASEVAC training, which focused on enhancing their procedures when faced with wounded personnel on the battlefield and providing a realistic training environment in preparation for real-world scenarios. (U.S. Marine Corps photo by Sgt. Lucas Hopkins)

U.S. Navy Sailor Lt. Laura Cargill, right, the lead medical planner of Task Force Southwest, instructs Afghan National Army soldiers with 2nd Kandak, 4th Brigade, 215th Corps how to properly call for a casualty evacuation at Camp Shorabak, Afghanistan, Aug. 13, 2017. Several ANA units partnered with the Afghan Air Force and U.S. advisors to enhance their CASEVAC procedures through classroom instruction and practical application. Quickening the CASEVAC process allows for faster movement of a wounded soldier to a medical facility and greatly improves chances for survivability and full recovery. (U.S. Marine Corps photo by Sgt. Lucas Hopkins) - U.S. Navy Sailor Lt. Laura Cargill, right, the lead medical planner of Task Force Southwest, instructs Afghan National Army soldiers with 2nd Kandak, 4th Brigade, 215th Corps how to properly call for a casualty evacuation at Camp Shorabak, Afghanistan, Aug. 13, 2017. Several ANA units partnered with the Afghan Air Force and U.S. advisors to enhance their CASEVAC procedures through classroom instruction and practical application. Quickening the CASEVAC process allows for faster movement of a wounded soldier to a medical facility and greatly improves chances for survivability and full recovery. (U.S. Marine Corps photo by Sgt. Lucas Hopkins)

Marines with 2nd Combat Engineer Battalion, provide security before loading a casualty into a MV-22 Osprey during a casualty evacuation exercise at Landing Zone Penguin at Camp Lejeune, N.C., March 10, 2016. The training allowed Marines with Marine Medium Tiltrotor Squadron 365 and 2nd CEB to work together in order to be well prepared to conduct a successful CASEVAC in any situation they may encounter while deployed, to ultimately save lives. (U.S. Marine Corps photo by Lance Cpl. Erick Galera/Released) - Marines with 2nd Combat Engineer Battalion, provide security before loading a casualty into a MV-22 Osprey during a casualty evacuation exercise at Landing Zone Penguin at Camp Lejeune, N.C., March 10, 2016. The training allowed Marines with Marine Medium Tiltrotor Squadron 365 and 2nd CEB to work together in order to be well prepared to conduct a successful CASEVAC in any situation they may encounter while deployed, to ultimately save lives. (U.S. Marine Corps photo by Lance Cpl. Erick Galera/Released)