Sputnik 24
Failure
NOV 04196215:35:00 UTCAbout 260 seconds into the flight, cavitation in the oxidiser feed caused vibration that knocked loose part of the Blok L upper stage's ignition system. The Blok L never fired, so the Mars probe stayed in low Earth orbit.
LIFTOFF
NOV 04 196215:35:00 UTC
Failure
launched from Pad 1/5 Baikonur
aboard Molniya T103-17
Payload