JOINT BASE PEARL HARBOR-HICKAM (March 18, 2021) Rear Adm. Timothy Kott, Commander, Naval Surface Group Middle Pacific, speaks during a change of command ceremony. Capt. Ken Athans was relieved by Capt. Don Rauch as Commander, Destroyer Squadron 31 during the ceremony. (U.S. Navy photo by Mass Communication Specialist 2nd Class Greg Hall)