Marine Corps Air Station Yuma, Ariz. -- U.S. Marines with Headquarters and Headquarters Squadron (H&HS), compete in the monthly squadron competition on Marine Corps Air Station Yuma, Ariz., Oct. 9, 2020. The competition consisted of various challenges and obstacles as a way of improving morale and comradery while raising esprit de corps through competition. (U.S. Marine Corps photo by Lance Cpl. John Hall)