One of the Wisconsin Army National Guard's largest troop formations has a new command team at the helm after a formal ceremony in Milwaukee Feb. 8.The nearly 1,700-Soldier 157th Maneuver Enhancement Brigade, known as the "Iron Brigade," bid farewell to outgoing commander Col. John Schroeder and Command Sgt. Maj. Ralph Rosemore after nearly two years leading the brigade. Col. David O'Donahue and Command Sgt. Maj. Daniel Sullivan replaced them.For their efforts in shaping the Iron Brigade, Schroeder and Rosemore were each awarded the Meritorious Service Medal. Schroeder will become the Wisconsin Army National Guard's next chief of staff, while Rosemore will take over as the operations sergeant major in the 64th Troop Command.