MARINE CORPS AIR STATION YUMA, Ariz. -- U.S. Marines, Sailors, and Civilians participate in the Marine Corps Air Station (MCAS) Yuma Mud Run at MCAS Yuma Ariz., May 18, 2019. The Mud Run consisted of various obstacles for all of the participants in both the competitive and non-competitive events. (U.S. Marine Corps photo by Lance Cpl. Joel Soriano)