Senior Airman Beau Berkshire, a member of the 910th Civil Engineer Squadron, fires his M4 rifle during a qualification course here Nov. 7, 2015. Airmen are required to pass regular qualification courses on the M4 rifle. (U.S. Air Force photo/Tech. Sgt. James Brock)

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.