 Strachwitz was trapped outside the pocket, and "Panzerverband von Strachwitz" was reformed, this time from elements of the 101st Panzer Brigade of panzer-ace Oberst Meinrad von Lauchert and the newly formed SS Panzer Brigade Gross under SS-Sturmbannführer Gross.Inside the trapped pocket, the remaining panzers and StuG IIIs of the "Hermann von Salza" and the last of Jähde's Tigers were formed into another Kampfgruppe to attack from the inside of the trap.On 19 August 1944, the assault, which had been dubbed "Unternehmen Doppelkopf" (Operation Doppelkopf) got underway.