WASHINGTON — President Joe Biden nominated Lt. Gen. James Mingus to become the Army’s next vice chief of staff, according to a notice in the Congressional Record. Mingus, who will pin on a fourth star if confirmed by the U.S. Senate, comes from the Pentagon’s Joint Staff, where he has served as director since June 2022. He joined the staff in October 2020 as director for operations. Over the last year, one of his duties has included serving on a new high-level team focused on rushing military