The real workhorse is the Proton heavy launch vehicle.


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All About Space
 
The real workhorse is the Proton heavy launch vehicle.
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The real workhorse is the Proton heavy launch vehicle. - My, Cosmonautics, Inventions, Technologies, Space, Roscosmos, Rocket, Booster Rocket, Proton-m, Rocket launch, Longpost
Rocket launch Inventions Cosmonautics Space Proton-m Rocket Booster Rocket Roscosmos Technologies
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