(Translated by https://www.hiragana.jp/)
Delta A - Wikipedia

The Delta A, or Thor-Delta A was an American expendable launch system used to launch two Explorer spacecraft in October 1962. A derivative of the Thor-Delta, it was a member of the Delta family of launch vehicles. The Thor-Delta itself was a Thor booster with an Able second stage and Altair third stage.[1][2]

Delta A launching Explorer 14
FunctionExpendable launch system
Country of originUnited States
Launch history
StatusRetired
Launch sitesCape Canaveral LC-17
Total launches2
Success(es)2
First flight2 October 1962
Last flight27 October 1962

The first stage was a Thor missile in the DM-21 configuration, and the second stage was the Delta-A, an uprated version of the original Delta. An Altair solid rocket motor was used as a third stage. Both launches occurred from Cape Canaveral Air Force Station (CCAFS) Launch Complex 17B, and were successful. The first launched Explorer 14, and the second Explorer 15.

References

edit
  1. ^ Wade, Mark. "Delta". Encyclopedia Astronautica. Archived from the original on 24 July 2008. Retrieved 9 February 2009.
  2. ^ Krebs, Gunter. "Thor family". Gunter's Space Page. Retrieved 9 February 2009.