The Green Knights Motorcycle Club drives the POW/MIA flag to present at the Airmen Memorial Museum in Suitland, Md., Sept. 20, 2013. In honor of National POW/MIA Remembrance Day the Air Force Sergeants Association Chapter 102 held a recognition ceremony near Joint Base Andrews. The Green Knights are a military organized club who work with the Wing Safety Office and Security Forces to help riders retain their rights while following the regulations set forth by the Federal, State, and local bases. (U.S. Air Force photo/Airman 1st Class Nesha Humes)