The 21st Panzer Brigade "Lipperland" (German: Panzerbrigade 21 "Lipperland", abbreviated to: PzBrig 21) is a brigade in the German Army and part of the Bundeswehr. The brigade staff and most of its units are based at the Field Marshal Rommel Barracks in Augustdorf, North Rhine-Westphalia. Several companies are based in Glückauf Barracks in Unna-Königsborn. The roughly 4,100 strong brigade is one of the Army's reaction forces and, like the Panzerlehrbrigade 9 and Panzergrenadierbrigade 41, is subordinate to the 1st Panzer Division headquartered in Hanover.