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Sumos take off for El Centro Horizon - U.S. Marine Corps 1st Lt. Eric Brown, left, and Capt. Brian Kursawe, KC130-J Hercules pilots with Marine Aerial Refueler Transport Squadron (VMGR) 152, conduct tactical navigation during unit-level training detachment El Centro Horizon at Naval Air Facility El Centro, Calif., Dec. 2, 2017. The purpose of VMGR-152’s El Centro Horizon ULT detachment is to increase squadron combat readiness through the diverse training ranges available at the Yuma training complex. (U.S. Marine Corps photo by Cpl. Carlos Jimenez)