A U.S. Air Force C-130 Hercules aircraft drops water over treetops.
A U.S. Air Force C-130 Hercules aircraft from the 146th Airlift Wing in Port Hueneme, Calif., drops water over treetops in South Carolina as part of a Modular Airborne Firefighting System (MAFFS) training exercise on April 28, 2010. The annual MAFFS training and certification is taking place in Greenville on April 26-30.