Working in teams, participants in the 2017 GORUCK Light Challenge carried a punching bag while completing three laps on the hiking trail Oct. 6, 2017, at Brecknock Park in Camden, Del. Participants completed the laps while carrying their rucksack, chains and a punching bag. (U.S. Air Force photo by Roland Balik)
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.