U.S. Air Force Staff Sgt. Yomira Ramirez-Martinez, 60th Operations Support Squadron wing physiology noncommissioned officer in charge, reaches to engage the oxygen dump valve on a Reduced Oxygen Breathing Device (ROBD) during aerospace physiology training at Travis Air Force Base, California, Sept. 9, 2025. The oxygen dump valve on an ROBD delivers 100% oxygen to the student via a quick don mask as part of hypoxia corrective procedures. (U.S. Air Force photo by Senior Airman Robert Nichols)
CAMERA
NIKON Z6_3
LENS
NIKKOR Z 50mm f/1.8 S
APERTURE
18/10
SHUTTERSPEED
1/320
ISO
64000
No camera details available.
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