READY TO ROLL Retired Air Force Gen. Richard B. Myers, former chairman of the Joint Chiefs of Staff, center, and other Rolling Thunder riders get the two-minute warning for the start of the annual Rolling Thunder Memorial Day weekend ride in the north parking lot of the Pentagon, May 30, 2010. The ride begins at the Pentagon and travels to the Vietnam Veterans Memorial in downtown Washington, D.C. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 654424-U-OND78-592.jpg Photo Gallery