U.S. Air Force Capt. “Doom” Moss, F-22A fighter pilot from the 19th Fighter Squadron, utilizes the aircrew ensemble respiratory protection system while processing through the aircrew contamination control area during the Next Generation Aircrew Protection step, launch and recovery demonstration at Joint-Base Pearl Harbor-Hickam, Hawaii, May 11, 2023. The demonstration showcases the PACAF stop gap for the F-22 ACBRN LIMFAC utilizing the modified M-50 ground crew mask. (U.S. Air National Guard photo by Master Sgt. Mysti Bicoy) Guard photo by Master Sgt. Mysti Bicoy)