A Douglas A-1 Skyraider, marked with distinctive shark-mouth nose art, is started on the flight line at a Vietnam-era air base. Ground crew in fatigues assist as heavy exhaust smoke signals engine ignition. The rugged, propeller-driven Skyraider served as a mainstay close air support and search-and-rescue escort aircraft throughout the Vietnam War, prized for its heavy ordnance capacity and long loiter time over the battlefield. Project: 218963