U.S. Marines assigned to Marine Aerial Refueler Transport Squadron (VMGR) 252, deliver packages to deployed Marines during a Flight In Support of a Deployed Unit (FISDU) at Moron Air Field, Spain, March 9, 2015. The FISDU was conducted to support Marines assigned to Special Purpose Marine Air Ground Task Force conducting operations in foreign countries. (U.S. Marine Corps photo by Lance Cpl. Koby I. Saunders/Released)