Complex sentence: The VI-100 was first conceived in 1938 by a team led by Vladimir Petlyakov at STO-100, it was an aerodynamically-clean all-metal monoplane with turbo-supercharged engines.
Split into simpler sentences: The VI-100 was first conceived in 1938 by a team led by Vladimir Petlyakov. It was an aerodynamically-clean all-metal monoplane with turbo-supercharged engines.