 Complete the following phrase:  Radically upgraded for the Ardennes Offensive Operation Wacht am Rhein to provide General der Panzertruppe Hasso von Manteuffels Fifth Panzer Army with additional firepower, the Führerbegleitbrigade was formed from elements of the FBA, Panzerkorps Großdeutschland, Hitlers personal army guard detail, and the mobile artillery from Hitlers Wolfschanze headquarters. This unit was placed under the command of Oberst colonel Otto Remer as a reward for his successfully foiling of a critical part of the 