Vanguard and Thor-Delta: Delta began from the Thor and Vanguard rockets. Thor was an IRBM (intermediate-range ballistic missile) developed by the Douglas Aircraft Company.

The Thor-Delta launched the country's first communications satellite in 1960. Beginning in 1989, the Delta II rocket became a workhorse for the military and US science community.

Thor: Ragnarok is finally here! Not everyone loved Thor 2 as much as they seem to be loving Thor 3, but it wasn't all bad.

The U.S. Space Force and a Boeing-Lockheed joint venture sent a secret reconnaissance payload to orbit on Tuesday atop a Delta IV Heavy rocket, the last flight of a workhorse launch vehicle brand ...

And as the Thor-Delta rocket rose above the southern morning, the Bell Telephone Laboratories scientists who had built its cargo followed its course with rising confidence.

The Delta IV Heavy that launched to close out the program on Tuesday stood 235 feet (72 meters) tall, more than 2.5 times the height of the original Thor-Delta.

Over the Delta family’s 60+ years of launch heritage, there have been 12 Thor Delta (DM-19) launches, 43 launches of the three-stage A, B, C, D and E configurations, and 27 launches of the two ...

We remodeled a 1982 kitchen into our dream kitchen using various products including a Bosch refrigerator, LG dishwasher, Thor ...

And even though Vulcan is the future, I’m personally sad to see it go.” Delta debuted as a space launch vehicle on May 13, 1960, as the Thor-Delta. NROL-70 marked the 389th launch of a Delta ...