Which reusable spaceplane, launched only once in 1988 on an Energia rocket and landing automatically, was the Soviet counterpart to the American Space Shuttle before the programme was scrapped?

• A Spiral
• B Buran ✓
• C BOR
• D Energia-2

Buran ('Snowstorm') completed a fully automated orbital flight and runway landing in 1988; the sole flown orbiter was destroyed in 2002 when its hangar roof collapsed.