Senior Chief Petty Officer Thomas Frisbie relieved Master Chief Petty Officer Karel Mullen as the Officer in Charge of Coast Guard Station Portsmouth during a change of command ceremony held at Coast Guard Base Portsmouth June 4, 2021. Change of command ceremonies are time-honored traditions deeply rooted in Coast Guard and Naval history signifying the total transfer of responsibility, authority, and command of a military unit. (U.S. Coast Guard photos/ Released)