647 CES holds chemical, biological, radiological and nuclear defense refresher course

A U.S. Air Force Airman checks the seal of his gas mask inside of a gas chamber on Joint Base Pearl Harbor-Hickam, Hawaii, August 21, 2025. The primary objective of a chemical, biological, radiological and nuclear defense course training is to protect Airmen from the effects of biological and chemical weapons, radioactive substances and nuclear incidents. (U.S. Air Force photo by Airman 1st Class Aden Brown)

PHOTO BY: Airman 1st Class Aden Brown

VIRIN: 250821-F-HW521-1827.JPG

FULL SIZE: 12.51 MB

Additional Details

CAMERA

NIKON Z 9

LENS

NIKKOR Z 24-70mm f/2.8 S

APERTURE

28/10

SHUTTERSPEED

1/125

ISO

25600

IMAGE IS PUBLIC DOMAIN

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.

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