 Complete the following phrase:  At the time of the attack on Pearl Harbor, Akebono was assigned to Destroyer Division 7 of the IJN 1st Air Fleet, but was unable to participate in the attack due to a damaged propeller, and was held in reserve in Japanese home waters as a guard vessel. Repairs completed by mid-January 1942, Akebono was part of the escort for the aircraft carriers and during air strikes against 