9/21/2012 - Members of the Green Knights Chapter 75 depart Barksdale Air Force Base, La. for their monthly ride, Sept. 20. After a safety brief and personal protective gear check, riders departed for a two-hour ride through the base and community. The Green Knights will be hosting a motorcycle safety day Oct. 12 to promote safe riding and mentoring for Team Barksdale motorcycle enthusiasts. (U.S. Air Force photo/Senior Airman Kristin High)(RELEASED)