A Savannah man has been sentenced to nearly 13 years in federal prison February 3, 2015, armed robbery of the Navy Federal Credit Union in Richmond Hill, Georgia. Jerald A. Bowman, 40, was sentenced on March 30 by U.S. District Chief Judge Lisa Godbey Wood to 155 months imprisonment. Bowman also was found responsible for armed robberies of the Georgia’s Own Credit Union in Savannah on Sept.