 That small force, comprising veterans of the 10th Motorized Cavalry Brigade (the so-called "Black Brigade"), was now renamed the 10th Armoured Cavalry Brigade ("10 Brygada Kawalerii Pancernej").On June 6, the brigade had one tank battalion, two strong motorized cavalry squadrons, one anti-tank battery and one anti-aircraft battery.The brigade was attached to the French Fourth Army near Reims and ordered to cover its left flank.