At the obstacle course at Lackland Air Force Base, Texas, basic trainees are watched by a military training instructor as they pass over an algae-filled water obstacle on a cable and rope bridge. These trainees are on their way to becoming 'warrior Airmen.'
Michael Tolzmann
US Air Force Public Affairs <a rel="nofollow" class="external autonumber" href="http://www.af.mil/shared/media/photodb/photos/090527-F-0000X-009.jpg">[1]</a>