Apollo 6

Apollo 6
Crew: Unmanned

Command and Service Module: CSM-020
Lunar Module: N/A
Launch Vehicle: Saturn V, SA-502
Launch Date: April 4, 1968, 7:00 am EST
Launch site: Kennedy Space Center, Pad 39A
Landing Date: April 4, 1968, 5:23 pm EST
Landing Site: Pacific Ocean
Mission Duration: 10 hours, 23 minutes
Primary Mission: Test integrity of fully loaded Saturn V launch vehicle, separation of stages and propulsion, guidance and control, and electrical systems.
Mission Highlights: Apollo 6 encountered serious problems, causing some mission objectives to be aborted. NASA attributed the problems to what they identified as the “POGO” effect: strong vertical oscillations throughout the vehicle. These oscillations damaged components, forcing the cancellation of several planned objectives.

Apollo 5
Apollo 7