Which programme, developed in the 1960s in secret, was intended to land a cosmonaut on the Moon using the massive N-1 rocket, but was cancelled after four consecutive launch failures?

• A The N1-L3 programme ✓
• B The Zond programme
• C The Almaz programme
• D The LK programme

The N-1 rocket, standing 105 metres tall with 30 first-stage engines, suffered catastrophic failures in all four test launches between 1969 and 1972, dooming the Moon-landing ambitions.