Motorcycle safety
SHAW AIR FORCE BASE, S.C. -- Terry Grimm, retired Air Force senior master sergeant, inducts Col. Joe Guastella, 20th Fighter Wing commander, into the Green Knights motorcycle club as an honorary member. Grimm presents Colonel Guastella with a jacket patch at the base theater here April 8. The Green Knights are a military affiliated motorcycle club with 80 chapters in 13 countries. Their focus is to improve each individual's motorcycle riding experience and to educate them on safety, rider skills, community and family enhancement. (U.S. Air Force photo by Senior Airman David Minor)