Thor DSV-2

The Thor DSV-2 was a series of sounding rockets, test vehicles, and anti-satellite weapons derived from the Thor Intermediate-range ballistic missile.

[2] The DSV-2D was launched twice in 1962,[3] conducting suborbital research flights for the development of the Program 437 ASAT.

It was launched eight times in 1962, including several nuclear weapons tests as part of Operation Fishbowl.

[4] Four launches failed, all of which were carrying live nuclear warheads.

[7] Most flights were non-intercept tests of the rocket's anti-satellite capabilities, however some later launches carried research payloads.