United States Air Force

Thor DM-21 Ablestar

DM-21

Thor DM-21 Ablestar
Retired

Overview

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The Thor-Ablestar, or Thor Able-Star, also known as Thor-Epsilon was an early American expendable launch system consisting of a PGM-17 Thor missile, with an Ablestar upper stage. It was a member of the Thor family of rockets, and was derived from the Thor-Able.

Manufacturer

United States Air Force

Variant

DM-21

Alias

N/A

Maiden Flight

April 13, 1960

Technical Specifications

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29 m

Length

1.44 m

Diameter

0 t

Launch Mass

760 kN

Liftoff Thrust

150 kg

LEO Capacity

—

GTO Capacity

Launch Record

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19

Total Launches

13

Successful

6

Failed

68.4%

Success Rate

0

Attempted Landings

0

Successful Landings

0

Failed Landings

0

Consecutive Successes

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