Proton (Russian: Протон, formal designation: UR-500) is an expendable launch system used for both commercial and Russian government space launches. The first Proton rocket was …

ur500运载火箭（俄语：УР500），即基础型质子号运载火箭（Протон），是苏联于1961年开始研制的大型运载火箭。 美国国防部对这种火箭的代号是“sl-9”，美国国会的谢尔顿命名法（用于 …

The UR-500 was designed to be a very large ICBM, with the throw-weight necessary to deliver the 50-100 megaton Tsar Bomba-like warhead. [4] Under pressure from Khrushchev , the UR-500 …

ur-500达到了其设计指标，苏联战略火箭军也对性能没有意见。然而，ur-500规模极大，难以使用地下井发射；一级捆绑贮箱结构复杂，不好维护。因此，战略火箭军最终并没有接受ur-500。 …

The original UR-500 two stage configuration was designed as a monster ICBM. It was flown four times from 1965, but never deployed as an operational missile. The design was succeeded by …

（俄语：УР500），即基础型质子号运载火箭（Протон），是苏联于1961年开始研制的大型运载火箭。美国国防部对这种火箭的代号是“sl-9”，美国国会的谢尔顿命名法（用于识别火箭的衍 …

UR-500K/7K-L1: Circumlunar mission. In 1965, after barely reaching launch pad, UR-500 was tasked with launching two cosmonauts on a trip around the Moon aboard the L1 spacecraft. …

No other launcher has played as many roles in the Russian space program as has the UR-500 rocket, known today as Proton. Conceived at the dawn of the space race as a "super-size" …

While Chelomei's OKB was still preparing the UR-200 draft project, it was proposed to use this as the basis for the UR-500 heavy universal rocket, with five times the payload capacity. These …

质子K（Proton-K）是一种源自UR-500的运载火箭。 基础构型的质子K是一款三级火箭，共发射30枚，有效载荷包括苏联的所有礼炮空间站、除美国太空运输系统携带的对接舱外，所有和平 …