Proton-K Launch Vehicle Engine Ignition System Component, circa 1970s–1980s, measuring approximately 7.5 x 4.5 x 4.5, with Russian markings on the pieces of the component, as well as a male plug at one end. This component was instrumental for proper ignition sequencing of the engines. Part is attached to a vertical base for an overall size of approximately 13″ tall, with an informational plaque affixed to the base. The Proton is probably the most well-known Russian launch vehicle ever. RR Auction COA.