Trooper Dewaine Jennings of the Tennessee Highway Patrol has been promoted to the rank of Sergeant.Jennings, who has worked in DeKalb County since joining the THP in 2007, received the promotion in March but was recognized in a formal ceremony on June 5 at the THP Training Center in Nashville. He received his Sergeant's pin from THP Colonel Tracy Trott. Sergeant Jennings will be Supervisor in Putnam County.Sergeant Jennings is a U.S. Navy veteran and he logged twelve and a half years as a law enforcement officer before joining the Tennessee Highway Patrol.