launched from USA

Pioneer E

Failure
AUG 27196921:59:00 UTC

Defective valve in Stage 1 caused a hydraulic fluid leak and loss of engine gimbaling at T+220 seconds, making it impossible for the second stage to reach orbit. RSO T+480 seconds.

launched from LC-17A Canaveral

aboard Delta L Delta 73 into Heliocentric

Payloads · 2

  • 01

    Pioneer E

    Interplanetary space research probe

  • 02

    TTS-3

    Technology demonstration satellite