Cpl. Gary Kremer, a crew chief with Marine Medium Helicopter Squadron 166, Marine Aircraft Group 11 (Reinforced), 3rd Marine Aircraft Wing, prepares to jump from an airplane, 15,000 feet above sea level while pursuing his hobby of skydiving, Jan. 5, 2009 above Lake Elsinore. The Boca Raton Fla. native spends his weekends jumping from high altitudes and has accumulated more than 200 jumps since he began his hobby 4 years ago. (U.S. Marine Corps photo by Lance Cpl. Christopher O'Quin) (Released) - Cpl. Gary Kremer, a crew chief with Marine Medium Helicopter Squadron 166, Marine Aircraft Group 11 (Reinforced), 3rd Marine Aircraft Wing, prepares to jump from an airplane, 15,000 feet above sea level while pursuing his hobby of skydiving, Jan. 5, 2009 above Lake Elsinore. The Boca Raton Fla. native spends his weekends jumping from high altitudes and has accumulated more than 200 jumps since he began his hobby 4 years ago. (U.S. Marine Corps photo by Lance Cpl. Christopher O'Quin) (Released)