Official websites use .mil
Secure .mil websites use HTTPS
U.S. Air Force Senior Airman Gregory Rackley, 56th Occupational Medicine Readiness Squadron bioenvironmental engineering technician, instructs Senior Airman Joseph Bowden, 62nd Aircraft Maintenance Unit crew chief, on the procedure to tighten a gas mask during a fit test at Luke Air Force Base, Arizona, Jan. 14, 2020. The technicians administer fit tests for individuals who are deploying, and individuals perform various movements while wearing the gas mask to test how well it fits to their face. Bioenvironmental engineering’s mission is to provide reliable health risk expertise to optimize human performance and prevent adverse health effects of Airmen. (U.S. Air Force photo by Airman 1st Class Brooke Moeder)
CAMERA
NIKON D850
LENS
24.0-70.0 mm f/2.8
APERTURE
35/10
SHUTTERSPEED
1/125
ISO
800
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.