You will be given a definition of a task first, then some input of the task.
In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

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:
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 .