Making fitness 'Hard Core'

VANDENBERG AIR FORCE BASE, Calif. -- Working on cardiovascular fitness, Theadore Fife (left) and Joseph Fernandez (right), both with the 576th Flight Test Squadron, get a quick workout during the Hard Core Fitness class at the base gym Wednesday, Oct. 14, 2009. During the 30-minute class, instructors guide participants through a total body workout. (U.S. Air Force photo/Senior Airman Stephanie Longoria)

VANDENBERG AIR FORCE BASE, Calif. -- Working their abdominal muscles with a weighted ball, Lynne Koertge (left) and Rose Leventis (right) get a quick workout during their lunch break at the Hard Core Fitness class at the base gym Wednesday, Oct. 14, 2009. The class is a 30-minute, total body workout, which changes up with each instructor. (U.S. Air Force photo/Senior Airman Stephanie Longoria)

VANDENBERG AIR FORCE BASE, Calif.-- Anthony Sullivan, a 30th Force Support Squadron sports fitness aid, motivates Rose Leventis (middle) and Lynne Koertge (right) during the Hard Core Fitness class at the base gym Wednesday, Oct. 14, 2009. The 30-minute class is available Monday through Friday at noon, with a different physical training leader or fitness aid volunteer instructing each day. (U.S. Air Force photo/Senior Airman Stephanie Longoria)

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)

VANDENBERG AIR FORCE BASE, Calif. -- Vandenberg members get a quick workout during the Hard Core Fitness class at the base gym Wednesday, Oct. 14, 2009. A different physical training leader or fitness aid volunteer teaches the 30-minute class Monday through Friday at noon. (U.S. Air Force photo/Senior Airman Stephanie Longoria)