British First Army order of battle, 4 May 1943

This is an outline order of battle of the British First Army on 4 May 1943 during the Tunisian Campaign of World War II. Commanded by: Lieutenant-General Sir Kenneth Anderson Commanded by Lieutenant-General Charles Allfrey Commanded by: Lieutenant-General Brian Horrocks Commanded by General Louis Koeltz Commanded by: Major General Omar Bradley
 * British First Army
 * V Corps
 * North Irish Horse
 * 7th Algerian Tirailleurs Regiment (7ème Régiment de Tirailleurs Algériens)
 * 1st Army Group Royal Artillery
 * 46th Infantry Division (less 139th Brigade Group)
 * 78th Infantry Division
 * IX Corps
 * 25th Tank Brigade (less two battalions)
 * 201st Guards Brigade
 * 2nd Army Group Royal Artillery
 * 4th Infantry Division
 * 4th Indian Infantry Division
 * 6th Armoured Division
 * 7th Armoured Division
 * XIX French Corps
 * One Tank Battalion
 * Division d'Alger
 * Division du Maroc
 * Division d'Oran
 * U.S. II Corps (co-ordinated by First Army but under direct control of 18th Army Group )
 * Corps Francs d'Afrique (three battalions)
 * One Tabor Moroccan Goumiers
 * U.S. 13th Field Artillery Brigade
 * U.S. 2626th Coast Artillery Brigade
 * 1st Armored Division (less one regiment)
 * 1st Infantry Division
 * 9th Infantry Division
 * 34th Infantry Division
 * Army Reserve
 * 1st King's Dragoon Guards
 * 51st (Leeds Rifles) Royal Tank Regiment
 * 139th Infantry Brigade
 * 1st Armoured Division