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Proton-K

Proton-K was the three-stage production variant of Proton, often flown with a Block D or later upper stage. It launched Soviet and Russian planetary spacecraft, Salyut and Mir elements, and the first Russian-built International Space Station modules before retirement after its 310th launch.

Identity

Aliases
Proton K8K82K
Family Name
Proton
Full Name
Proton-K
Reusability
expendable
Slug
proton-k
Status
retired
Type
rocket
Variant Name
K

Details

Description
Proton-K was the three-stage production variant of Proton, often flown with a Block D or later upper stage. It launched Soviet and Russian planetary spacecraft, Salyut and Mir elements, and the first Russian-built International Space Station modules before retirement after its 310th launch.
Engines
  • Count
    6
    Name
    RD-253 / RD-275
    Placement
    core
  • Count
    4
    Name
    RD-0210 / RD-0211
    Placement
    upper
  • Count
    1
    Name
    RD-0212
    Placement
    upper
First Flight Year
1,967
Last Flight Year
2,012
Liftoff Mass Kg
700,000
Parent Vehicle Family Id
nd7rf93qma4khvdtq64ya1ydax85k8f7
Stages Count
3

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Creation Time
7/13/2026, 7:40:14 AM
Updated Time
7/13/2026, 7:40:14 AM