Thor DM-21 Ablestar | Transit-O 1
The Transit-O series of satellites that closely followed the design of Transit 5C-1 were also called “Oscars” (Oscar is the phonetic alphabet for “O”, i. e., operational). They were also called NNS (Navy Navigation Satellite) or shortened NavSat.
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.
When is the Thor DM-21 Ablestar | Transit-O 1 launch?
What rocket is being used for Transit-O 1?
Where is the Thor DM-21 Ablestar | Transit-O 1 launching from?
What orbit is Transit-O 1 going to?
Who is launching Transit-O 1?
Can I watch the Thor DM-21 Ablestar | Transit-O 1 launch live?
Mission Profile
Transit-O 1 was a Thor DM-21 Ablestar mission operated by United States Air Force that lifted off from Space Launch Complex 2W, Vandenberg SFB, CA, USA on October 6, 1964. The flight carried its payload on a navigation mission to Polar Orbit. The launch was a success.

