Marines with Marine Wing Support Squadron 373 prepare

Marines with Marine Wing Support Squadron 373 prepare to offload heavy machinery into the staging area while performing a ship-to-shore drill during exercise Pacific Horizon 2015 aboard Marine Corps Base Camp Pendleton, Calif., Oct 23. PH 15 is a scenario driven, simulation supported crisis response exercise designed to improve 1st Marine Expeditionary Brigade's and Expeditionary Strike Group 3's interoperability and strengthen Navy-Marine Corps relations by conducting an in-stream Maritime Prepositioning Force offload of equipment by providing host country civil-military security assistance, and by conducting infrastructure restoration support from Oct. 20-28. (U.S. Marine Corps photo by Cpl. Rick Hurtado / Released)