4/27/2012 - Vandenberg bikers complete their registration and equipment checks prior to starting a ride to Hearst Castle here, Saturday, April 21, 2012. Having the proper personal protective equipment is a mandatory element of motorcycle safety. (U.S. Air Force photo/Michael Peterson)

4/27/2012 - Members of the Vandenberg chapter of the Green Knights motorcycle club review their trip itinerary before starting a ride to Hearst Castle here Saturday, April 21, 2012. Members limit their risk factors by traveling in smaller cells of 8 to 12 bikes with planned stops along the route. (U.S. Air Force photo/Michael Peterson)

4/27/2012 - 30th Space Wing Chaplain Lt. Col. Warren Watties, and 2nd Lt. Todd Philipy, 30th Space Wing chaplain candidate, start a ride to Hearst Castle after finishing a safety check here Saturday, April 21, 2012. The Green Knights use the acronym T-Clock, which stands for: tires, chassis, lights, oil, controls and kickstand, as an inspection checklist for their motorcycles. (U.S. Air Force photo/Michael Peterson)

4/27/2012 - David Ybarra, a member of the Vandenberg chapter of the Green Knights, leads a group of bikers from Vandenberg to Hearst Castle here Saturday, April 21, 2012. Organized rides help familiarize bikers with how to ride safely in a group. (U.S. Air Force photo/Michael Peterson)

4/27/2012 - Vandenberg bikers and members of the Green Knights pose for a group photo after arriving safely at Hearst Castle for their tour. The Vandenberg chapter of the Green Knights promote motorcycle safety through mentorship and organized rides. (U.S. Air Force photo/Michael Peterson)