N1-L3 (3L) with Soyuz 7K-LOK

The failed soviet moon rocket which intended to send 2 cosmonauts to the moon but only one of the 2 will set foot on the surface.
Only 4 missions were carried out which failed.
DATES:
21 february 1969
3 july 1969
27 june 1971
23 november 1972