MARINE CORPS AIR STATION YUMA, Ariz. -- Students from Yuma Lutheran School and Desert Sonora Elementary School visit Marine Corps Air Station (MCAS) Yuma, Ariz., May 9, 2019. The students observed a demonstration of a military working dog, Marine Corps Martial Arts Program (MCMAP) techniques, and the Marine Corps Obstacle Course. They were also able to see various static displays ranging from a Search and Rescue (SAR) helicopter to a AV-8B Harrier. (U.S. Marine Corps photo by Cpl. Sabrina Candiaflores)