UR-500K/L1 project will consist of three phases. Phase I will be dedicated to development of the Block D translunar stage, using prototype, incomplete L1 spacecraft. Phase II will conduct lunar flybys with complete but unmanned L1 spacecraft. Phase III will fly Soviet cosmonauts around the moon. The N1/L3 project will consist of five phases. Phase I will use the N1 and the 7K-L1A spacecraft. This will be used primarily to test out the Block G translunar and Block D lunar orbit insertion stages, but will also conduct lunar flybys, returning photographs of the lunar surface to the earth. Phase II will use N1's to fly L3 spacecraft with an unpiloted LOK lunar orbiter and an unpiloted LK lunar lander. Phase III, the first manned missions, will use N1's to fly L3 spacecraft with a piloted LOK lunar orbiter and an unpiloted LK lunar lander. Phase IV will fly a piloted LOK lunar orbiter and an unpiloted LK lunar lander, that will be landed on the lunar surface. In Phase V N1-L3 number 10L is to launch the first manned landing on the moon in September 1968. N1-L3 numbers 11L and 12L were back-ups, in the event any of the planned earlier missions failed.

The detailed schedule was as follows:

UR-500/L1 flights

Phase I:
Vehicle 2P - Complete manufacture: 1966 December; Launch: 1967 February (delayed to March 10)
Vehicle 3P - Complete manufacture: 1967 February; Launch: 1967 March
Phase II:
Vehicle 4L - Complete manufacture: 1967 February; Launch: 1967 May
Vehicle 5L - Complete manufacture: 1967 March; Launch: 1967 June
Phase III:
Vehicle 6L - Complete manufacture: 1967 April; Launch: 1967 July
Vehicle 7L - Complete manufacture: 1967 May; Launch: 1967 August
Vehicle 8L - Complete manufacture: 1967 June; Launch: 1967 August
Vehicle 9L - Complete manufacture: 1967 July; Launch: 1967 September
Vehicle 10L - Complete manufacture: 1967 August; Launch: 1967 September
Vehicle 11L - Complete manufacture: 1967 August; Launch: 1967 October
Vehicle 12L - Complete manufacture: 1967 September; Launch: 1967 October
Vehicle 13L - Complete manufacture: 1967 September (back-up)

N1 flights

Phase I:
Vehicle 3L - Complete manufacture: 1967 June; Launch: 1967 September
Vehicle 4L - Complete manufacture: 1967 December (back-up)
Phase II:
Vehicle 5L - Complete manufacture: 1967 October; Launch: 1967 December
Vehicle 6L - Complete manufacture: 1967 December; Launch: 1968 February
Phase III:
Vehicle 7L - Complete manufacture: 1968 February; Launch: 1968 April
Vehicle 8L - Complete manufacture: 1968 April; Launch: 1968 June
Phase IV:
Vehicle 9L - Complete manufacture: 1968 June; Launch: 1968 August
Phase V:
Vehicle 10L - Complete manufacture: 1968 August; Launch: 1968 Sep
Vehicle 11L - Complete manufacture: 1968 October (back-up)
Vehicle 12L - Complete manufacture: 1968 December (back-up)