U.S. Marines assigned to Low Altitude Air Defense Platoon, Marine Medium Tiltrotor Squadron (VMM) 266 (Reinforced), 26th Marine Expeditionary Unit (MEU), fire a Stinger Launch Simulator during familiarization training aboard the USS Kearsarge (LHD 3), at sea, Oct. 2, 2013. The Stinger Launch Simulator mimics the launching procedure of the Stinger Weapon System; both are alternately fired on an annual basis. The 26th MEU is a Marine Air-Ground Task Force forward-deployed to the U.S. 5th and 6th Fleet areas of responsibility aboard the Kearsarge Amphibious Ready Group serving as a sea-based, expeditionary crisis response force capable of conducting amphibious operations across the full range of military operations. (U.S. Marine Corps photo by Sgt. Christopher Q. Stone, 26th MEU Combat Camera)