Staff Sgt. Nathaniel Sixberry, from the 890th Missile Security Forces Squadron, finishes a ruck march during the 20th anniversary 9/11 Remembrance Ceremony, Sept. 10, 2021 on F. E. Warren Air Force Base, Wyoming. The event included a ceremony, followed by a ruck march. More than 100 individuals participated in the event honoring those lost twenty years ago in the terror attacks of Sept. 11, 2001. (U. S. Air Force photo by Glenn S. Robertson)
NIKON Z 6
NIKKOR Z 24-70mm f/2.8 S
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
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.