LK-700 was a Soviet direct ascent lunar lander program proposed in 1964.
[1] It was developed by Vladimir Chelomey as an alternative to the N1-L3 program.
It was also a further development of the LK-1 lunar flyby spacecraft.
It would have been launched using the proposed UR-700[2] rocket (related to the Proton rocket) with a crew of three cosmonauts on a direct flight to the lunar surface and back.
The proposed schedule was: Following initial LK-700 landings, the more ambitious Lunar Expeditionary Complex (LKE) would be delivered to the surface in three UR-700 launches: