Fire Fighters with Marine Corps Air Station (MCAS) Yuma, Ariz. neutralize a simulated gas leak during exercise Desert Plume, Nov. 2, 2021. Desert Plume is a training event that evaluates MCAS Yuma’s ability to respond to a CBRNE/HAZMAT incident quickly and efficiently. (U.S. Marine Corps photo by Cpl. Gabrielle Sanders) - Fire Fighters with Marine Corps Air Station (MCAS) Yuma, Ariz. neutralize a simulated gas leak during exercise Desert Plume, Nov. 2, 2021.