Lockheed C-130H Hercules airplane model. Four decades have elapsed since the Air Force issued its original design specification, yet the remarkable C-130 remains in production. The turboprop, high-wing, versatile "Herc" has accumulated over 20 million flight hours. It is the preferred transport aircraft for many US Government services and over 60 foreign countries. The basic airframe has been modified to hundreds of different configurations to meet an ever-changing environment and mission requirement. The C-130 Hercules has unsurpassed versatility, performance, and mission effectiveness. It serves with the US Navy, US Air Force, US Marine Corps and with many foreign nations.