U.S. sailors aboard an MH-60S Knighthawk helicopter take off after a successful pickup of a simulated downed aviator during a Combat Search and Rescue training mission on Fort Knox, Ky., Oct. 20, 2004. The sailors are assigned to Helicopter Combat Support Squadron Six, HC-6, taking part in the exercise with SEAL Team Four. U.S. Navy photo by Petty Officer 1st Class Steven Harbour