NEXT SPACEFLIGHT

Status

Failure

ITOS-B

Launch Time
Thu Oct 21, 1971 11:32 UTC

2nd stage oxidizer leak starting at T+20 seconds. The attitude control system ran out of propellant trying to correct the stage's flight path and the launch vehicle reentered the atmosphere and broke up above the Arctic Circle.

Rocket

Delta N6
Image Credit: USAF or NASA
US Air Force
Status: Retired
Payload to LEO: 1,600 kg
Stages: 2
Strap-ons: 6

Location

SLC-2E (75-1-1), Vandenberg SFB, California, USA

Stats

1971

100th orbital launch attempt

Delta N

8th mission
2nd mission of 1971
1st failed mission