Adm. Christopher W. Grady, commander, U.S. Fleet Forces Command, delivers a speech during the Commander, Submarine Forces change of command ceremony in Norfolk, Va., Sept. 10, 2021. During the ceremony, Vice Adm. William Houston relieved Vice Adm. Daryl Caudle as Commander, Submarine Forces/Submarine Force Atlantic/Allied Submarine Command. (U.S. Navy Photo by Mass Communication Specialist 1st Class Cameron Stoner)