train lunaire 1.jpg

forth stage or BLOCK G 

(1 engine) without

protecting shroud

Lunar complex and it 

structural fairing (half)

BLOCK G and lunar complex L3

The BLOCK G is used for translunar injection of the lunar complex. It could never be tested, as none of the N-1 rockets had reached Earth orbit. Its protective shroud had to be dropped before the engine was started.