F-1 engines of Apollo/Saturn V first stage leave trail of flame after liftoff

S68-27365 (4 April 1968) --- The five F-1 engines of the huge Apollo/Saturn V space vehicle's first (S-IC) stage leave a gigantic trail of flame in the sky above the Kennedy Space Center seconds after liftoff. The launch of the Apollo 6 (Spacecraft 020/Saturn 502) unmanned space mission occurred at 07:00:01.5 (EST), April 4, 1968. This view of the Apollo 6 launch was taken from a chase plane.