Leonov had been tapped to be a commander for the Soviet manned lunar programs .
Leonov had been would 've commanded the first manned Soyuz 7K - L1 Zond mission if it were ever cleared to proceed .
Leonov had been tapped to be a commander for the Soviet manned lunar programs , and would 've commanded the first manned Soyuz 7K - L1 Zond mission if it were ever cleared to proceed .