Thor (rocket family)

Thor was an American space launch vehicle derived from the PGM-17 Thor intermediate-range ballistic missile. The Thor rocket was the first in a large family of space launch vehicles that came to be known as Delta. A derivative of the Thor was still in service as of 2014, as the first stage of the Delta II.

Thor (rocket family)

Thor was an American space launch vehicle derived from the PGM-17 Thor intermediate-range ballistic missile. The Thor rocket was the first in a large family of space launch vehicles that came to be known as Delta. A derivative of the Thor was still in service as of 2014, as the first stage of the Delta II.