Petty Officer 1st Class Scott Rothfusz sits on his motorcycle at Joint Base Charleston, S.C., April 2, 2012. The Green Knights Military Motorcycle Club is a non-profit organization for military and Department of Defense motorcyclists and has more than 100 chapters all over the world. Rothfusz is an electronics technician assigned to the Nuclear Power Training Unit and is the Green Knights treasurer and ride director. (U.S. Air Force photo/Airman 1st Class George Goslin)