BARKSDALE AIR FORCE BASE, La. - An American flag sits on the back of a motorcycle as participants start their bikes and don their protective gear before the Motorcycle Awareness and Remembrance Ride on Barksdale Air Force Base, La., July 29. In order to operate a motorcycle on Barksdale, a rider must have a valid state motorcycle license, Motorcycle Safety Foundation training card, proof of insurance, registration and the required personal protective equipment. (U.S. Air Force photo by Airman 1st Class Micaiah Anthony)