Making fitness 'Hard Core'
VANDENBERG AIR FORCE BASE, Calif. -- Sweating through an abdominal workout, Christina Rojas, who works in the 30th Contracting Squadron, participates in the Hard Core Fitness class at the base gym Wednesday, Oct. 14, 2009. The 30-minute, total body workout class takes place at noon, Monday through Friday, at the base gym. (U.S. Air Force photo/Senior Airman Stephanie Longoria)