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CBRN instructors prepare Black Knights for upcoming exercise

An Airman puts a filter on a gas mask during a Chemical, Biological, Radiological and Nuclear Defense Class at Little Rock Air Force Base, Arkansas, Sept. 12, 2019. Airmen must take a CBRN Defense Class once every 18 months, and they practice their skills from the class during exercises semiannually. (U.S. Air Force photo by Senior Airman Kristine M. Gruwell)

PHOTO BY: Senior Airman Kristine M. Gruwell
VIRIN: 190912-F-ID976-1012.JPG
FULL SIZE: 0.99 MB
Additional Details

CAMERA

NIKON D5

LENS

24.0-70.0 mm f/2.8

APERTURE

28/10

SHUTTERSPEED

10/1600

ISO

640

IMAGE IS PUBLIC DOMAIN

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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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