U.S. Marine Corps Sgt. Patricio Ortiz, left, and Cpl. Cass Cisneros, expeditionary firefighting and rescue specialists with the Marine Corps Air Station (MCAS) Futenma Expeditionary Crash, Fire and Rescue, Headquarters and Headquarters, Squadron MCAS Futenma, Marine Corps Installations Pacific, await for further instructions during an aircraft mishap drill near Gate 3 of Marine Corps Air Station (MCAS) Futenma, Okinawa, Japan, Sept. 21, 2021. The scenario was the signature event of Constant Vigilance 2021 on the air station and served to ensure MCAS Futenma and its personnel are able to respond to crises at a moment's notice. (U.S. Marine Corps photo by Cpl. Ryan H. Pulliam) - U.S. Marine Corps Sgt. Patricio Ortiz, left, and Cpl. Cass Cisneros, expeditionary firefighting and rescue specialists with the Marine Corps Air Station (MCAS) Futenma Expeditionary Crash, Fire and Rescue, Headquarters and Headquarters, Squadron MCAS Futenma, Marine Corps Installations Pacific, await for further instructions during an aircraft mishap drill near Gate 3 of Marine Corps Air Station (MCAS) Futenma, Okinawa, Japan, Sept. 21, 2021. The scenario was the signature event of Constant Vigilance 2021 on the air station and served to ensure MCAS Futenma and its personnel are able to respond to crises at a moment's notice. (U.S. Marine Corps photo by Cpl. Ryan H. Pulliam)