Marines, Sailors, and civilians aboard Marine Corps Air Station (MCAS) Yuma participate in High Intensity Tactical Training (HITT) on the Lawn, at the parade deck on MCAS Yuma, Ariz., Sept. 28, 2018. HITT on the Lawn is a physical training event that is open to anyone with base access and provides them with a physical training opportunity. (U.S. Marine Corps photo taken by Cpl. Isaac D. Martinez) - Marines, Sailors, and civilians aboard Marine Corps Air Station (MCAS) Yuma participate in High Intensity Tactical Training (HITT) on the Lawn, at the parade deck on MCAS Yuma, Ariz., Sept. 28, 2018. HITT on the Lawn is a physical training event that is open to anyone with base access and provides them with a physical training opportunity. (U.S. Marine Corps photo taken by Cpl. Isaac D. Martinez)