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Launch Vehicle
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.

Thor DM-21 Ablestar is the launch vehicle record for catalog id 187.
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.
This record currently resolves 19 launches (0 upcoming, 19 recent) for schedule and history context.
No upcoming launches found.
This record is built from the Launch Library 2 public catalog cache. The page keeps provider, pad, vehicle, astronaut, event, and location records separate from launch detail pages so source-backed facts stay easy to audit.
Thor DM-21 Ablestar is a catalog record with launch relationships. Use this page for entity context and linked launches for mission-specific timing, vehicle, and status details.
This page owns the catalog record. Collection pages own browsing, launch pages own mission timing and status, and the info hub explains the wider public-data surface.
Data provided by The Space Devs - Launch Library 2.