Luis Castillo, a child living with cancer, shakes Cmdr. Samuel Creech, commanding officer of Coast Guard Air Station San Francisco, hand after Castillo flew in a Coast Guard MH-64 Dolphin helicopter, Dec. 1, 2009. Castillo flew in the helicopter as part of a request made through Oakland Firefighters Random Acts organization. (U.S. Coast Guard photo/Petty Officer 3rd Class Pamela J. Manns)