Thor-Delta L article 540/D073 made the first flight of the L configuration with Pioneer-E and TETR-C on 27 August 1969. A first-stage hydraulic failure caused loss of control, and range safety destroyed the vehicle before it could reach orbit.
Thor-Delta L article 540/D073 made the first flight of the L configuration with Pioneer-E and TETR-C on 27 August 1969. A first-stage hydraulic failure caused loss of control, and range safety destroyed the vehicle before it could reach orbit.