President Joe Biden has selected the commander who, if confirmed, will become the next vice chairman of the Joint Chiefs of Staff . Adm. Chris Grady, currently the commander of U.S. Fleet Forces Command, will replace the outgoing Gen. John Hyten, who is set to retire at the end of the month, the Department of Defense announced on Tuesday.... ,,,Grady has commanded the Fleet Forces Command since February 2019, and he commanded the Europe-based U.S. 6th Fleet for the three years before that. He also previously led the Carl Vinson Carrier Strike Group, Destroyer Squadron 22, guided missile destroyer the...