U.S. Marines with Marine Heavy Helicopter Squadron 463 conduct chemical/biological and decontamination training utilizing the Aircrew Chem Bio Respirator Protective Assembly, at Marine Corps Base Hawaii, Nov. 1, 2018.
The training was a crawl, walk and run approach to prepare crewmen and pilots to be confident in their equipment in case they would ever operate in a chemical or biological environment.
Credit: Jesus Sepulveda Torres