Official websites use .mil
Secure .mil websites use HTTPS
U.S. Air Force Senior Airman Christopher Velasquez, right, an aerospace physiology technician assigned to the 316th Operational Support Squadron, checks a students maks, during a decompression sickness exercise at Joint Base Andrews, Maryland, June 11, 2026. Decompression sickness is a condition caused by a rapid decrease in the air or water pressure. (U.S. Air Force photo by Senior Airman Daniel Walderbach)
CAMERA
NIKON Z 9
LENS
NIKKOR Z 24-70mm f/2.8 S
APERTURE
28/10
SHUTTERSPEED
1/200
ISO
320
No camera details available.
This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit. Further, any commercial or non-commercial use of this photograph or any other DoD image must be made in compliance with guidance found at https://www.dimoc.mil/resources/limitations, which pertains to intellectual property restrictions (e.g., copyright and trademark, including the use of official emblems, insignia, names and slogans), warnings regarding use of images of identifiable personnel, appearance of endorsement, and related matters.