Task: Sentence Expansion
Input (English): At the same time , three heavy cruisers and two destroyers under the command of Rear Admiral Aritomo Goto ̄ were to bomb Henderson Field to destroy the CAF and the airfield .
Output (English): At the same time , but in a separate operation , three heavy cruisers and two destroyers under the command of Rear Admiral Aritomo Goto ̄ were to bombard Henderson Field with special explosive shells with the object of destroying the CAF and the airfield 's facilities .