Complex sentence: Following the cancellation of the Stalingrad operation, the Me 321 gliders were either mothballed or scrapped, though some were converted into the powered variant, the Me 323 with six 895 kW (1,200 hp) engines.
Split into simpler sentences: Following the cancellation of the Stalingrad operation, the Me 321 gliders were either mothballed or scrapped, though some were converted into the powered variant, the Me 323. There was also a powered variant of the Me 321, the Me 323, with six 895 kW (1,200 hp) engines.