PO2 Payne observes a NCHB-1 Sailor during a filter exchange at Navy Expeditionary Logistics Support Group’s gas chamber on board Naval Weapons Station Yorktown, Cheatham Annex November 12, 2016. Sailors are required to confidently change out their filters while in an adverse environment. Conducting this training in the gas chamber gives Sailors confidence in this procedure. ( Navy photo by SN Malinao/Released)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

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