The following text from Aviation Week is not unique to the aircraft
pictured:
01/18/1950. In 1960 the USAF's Tactical Air Command "The Four
Horsemen" flew C-130 aircraft in a 23 minute air show,
including diamond take off, and formation maneuvers highlighted by
a bomb-burst and join-up. Aircraft separation is as little as 7 ft
(2 m) nose to tail. Line aircraft are used.