An air-to-air, three quarter front view of a Beech Aircraft built C-12F with a Lear Jet built C-21A and a McDonnell Douglas-built C-9A Nightingale aircraft, flying off the left wing of the C-12F. All aircraft are from the 375th Airlift Wing, Air Mobility Command and are flying over the St. Louis Arch, on the banks of the Mississippi River, and Busch stadium during a training mission