activated on 15 July 1943) Commanded by Major General Geoffrey Keyes. U.S. 2nd Armored DivisionCommanded by Major General Hugh Joseph Gaffey. Divisional units were placed under the combat commands as needed. Combat Command A Combat Command B 41st Armored Infantry Regiment 66th Armored Regiment 67th Armored Regiment 14th Armored Field Artillery Battalion 78th Armored Field Artillery Battalion 92nd Armored Field Artillery Battalion 17th Armored Engineer Battalion 82nd Armored Reconnaissance Battalion U.S. 3rd Infantry Division Commanded by Major General Lucian Truscott 7th Infantry Regiment 15th Infantry Regiment 30th Infantry Regiment 9th Field Artillery Battalion 10th Field Artillery Battalion 39th Field Artillery Battalion 41st Field Artillery Battalion 10th Engineer Combat Battalion British Eighth Army The British Eighth Army was under the command of General Sir Bernard Montgomery. The British 46th Infantry Division formed a floating reserve, but it did not participate in the Sicily campaign. Army Troops 2nd Special Air Service No. 3 (Army) Commando No. 40 (Royal Marine) Commando No. 41 (Royal Marine) Commando Three companies of 2nd/7th Battalion, Middlesex Regiment 2nd/4th Battalion, Hampshire Regiment 1st Battalion, Argyll and Sutherland Highlanders 2nd Battalion, Highland Light Infantry 1st Battalion, Welch Regiment 7th Battalion, Royal Marines British XIII Corps XIII Corps was commanded by Lieutenant-General Miles Dempsey. 105th Anti-Tank Regiment, Royal Artillery 6th Army Group Royal Artillery 24th Field Regiment, Royal Artillery 98th (Surrey & Sussex Yeomanry Queen Mary's) Field Regiment, Royal Artillery 111th Field Regiment, Royal Artillery 66th Medium Regiment, Royal Artillery 75th (Shropshire Yeomanry) Medium Regiment, Royal Artillery 80th (Scottish Horse Yeomanry) Medium Regiment, Royal Artillery XIII Corps Troops Royal Engineers 56th Field Company, Royal Engineers 576th Corps Field Park Company, Royal Engineers 577th Army Field Company, Royal Engineers 578th Army Field Company, Royal Engineers 5th Infantry DivisionCommanded by Major-General Horatio Berney-Ficklin (succeeded by Major-General Gerard Bucknall on 3 August). 13th Infantry Brigade 2nd Battalion, Cameronians (Scottish Rifles) 2nd Battalion, Royal Inniskilling Fusiliers 2nd Battalion, Wiltshire Regiment 15th Infantry Brigade 1st Battalion, Green Howards 1st Battalion, King's Own Yorkshire Light Infantry 1st Battalion, York and Lancaster Regiment 17th Infantry Brigade 2nd Battalion, Royal Scots Fusiliers 2nd Battalion, Northamptonshire Regiment 6th Battalion, Seaforth Highlanders 91st (4th London) Field Regiment, Royal Artillery 92nd (5th London) Field Regiment, Royal Artillery 156th (Lanarkshire Yeomanry) Field Regiment, Royal Artillery 52nd (6th London) Anti-Tank Regiment, Royal Artillery 18th Light Anti-Aircraft Regiment, Royal Artillery 5th Reconnaissance Regiment, Reconnaissance Corps 7th Battalion, Cheshire Regiment (machine gun battalion) 5th Divisional