Brigade would also fall victim to the British 1st Armoured Division. For several hours the 4th Brigade was involved in a battle against a battalion of dug in Iraqi soldiers and T-55 tanks. A Challenger 1 from the Royal Scots Dragoon Guards destroyed an Iraqi tank at a range of . This was the longest recorded tank to tank kill in the history of armored warfare. The British 7th Brigade cleared Objective Platinum destroying at least six additional T-55 tanks in dug in positions and a bunker using Milan missiles. The 4th Brigade seized Objective Steel defeating the Iraqi 103rd Brigade, 25th Infantry Division in the process. As the British 4th Brigade advanced they destroyed additional Iraqi guns and fighting positions. The British lost two Warrior combat vehicles to friendly fire in the process. British ground forces had defeated Iraqi forces during combat engagements at Objectives Copper, Zinc, Bronze, and Steel. During combat operations at Objective Zinc the British captured 30 enemy tanks, destroyed 16 IFVs, and captured 1,850 Iraqi soldiers. British forces destroyed a communications site and two artillery positions en route to Objective Bronze. British forces also destroyed 12 Iraqi tanks, 11 guns, and 20 light armor and thin skin vehicles while clearing Objective Bronze. Elements of several Iraqi infantry brigades would also be destroyed at Objective Bronze. The British 4th Brigade destroyed an entire tank battle group which included 25 main battle tanks at Objective Copper South. The 4th Brigade also cleared Copper South of Iraqi soldiers, IFVs, artillery, logistics support vehicles, and captured two division commanders. The British 26 Field Artillery Regiment conducted fire missions against a tank heavy unit at Objective Brass. This included the destruction of 48 tanks, APCs, and 25 MTLBs all hidden in fighting positions. An artillery position was also present and destroyed. The entire enemy position was destroyed and British infantry cleared the trench lines of Iraqi soldiers. British forces destroyed another 25 tanks and 20 APCs at position Brass 3. While taking Objective Platinum 2 the British destroyed an Iraqi tank company in the process. Later in the day the 1st Battalion, Staffordshire Regiment, 7th Brigade engaged Iraqi forces at Objective Lead. The 1st Battalion, Staffordshire Regiment destroyed over 40 Iraqi tanks and numerous other combat systems. The British forces also captured over 800 Iraqi soldiers including the Iraqi 52nd Armored Division commander while destroying additional Iraqi infantry units. The