Proton is a major manufacturer of rocket vectors and their engines.

-The Protons are one of the most reliable carrier rockets in the world.

“Proton logo”

-In its facilities the RD-191, RD-214, RD-214Y, RD-253, RD-275 and RD-276 engines are built.

-The rocket manufacture is complete: chambers, valves, turbo pumps, controls, etc.

“Proton RD-214”

-The RD-191 has a single chamber, the RD-214, as we can see, has four of them.

-We see these engines and the following ones at Energomash.

“Proton RD-253” (PiP=mw)

“Another Proton RD-253” (PiP=mw)

“Proton RD-275” (PiP=mw)