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An M-50 Joint Service General Purpose Mask attached to a mask fit test machine at Misawa, Air Base, Japan, Jan. 28, 2022. Bioenvironmental engineering ensures installation readiness by providing all Misawa AB military personnel with functional and correctly fit gas masks. (U.S. Air Force photo by Senior Airman Antwain Hanks)
NIKON Z 7
NIKKOR Z 50mm f/1.8 S
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