The Global Rocket 1 (GR-1; Russian: Глобальная ракета, ГР-1, romanized: Globalnaya raketa) was a Fractional Orbital Bombardment System (FOBS) intercontinental ballistic missile (ICBM) developed but not deployed by the Soviet Union during the Cold War.
[2] This concept would allow for very little warning to the U.S. because the rocket would be able to approach the United States from any direction and avoid missile tracking radar by flying below its coverage.
Korolev unofficially started work on the missile on 15 March 1962 based on a verbal go-ahead by Khrushchev.
[3] The draft project for the GR-1 was completed in May 1962, and a mock-up had already been built and drawings released to the production shop by the time the official resolution was issued on 24 September 1962.
The GR-1 project was cancelled in 1964 citing engine delays, a fate which became permanent for all of the FOBS designs after the SALT II agreement of 1979.