The Lancashire Hussars was a British Army unit originally formed in 1798. It saw action in the Second Boer War, the First World War and the Second World War. In 1969, the regiment reduced to a cadre and the Yeomanry lineage discontinued.
27th Anti-Aircraft Brigade was an Air Defence formation of the British Army in the Second World War that served in The Blitz and later converted to infantry.
The 30th (Northumbrian) Anti-Aircraft Brigade was an air defence formation of Britain's Territorial Army from 1936 until 1955, which defended Tyneside and Sunderland during the Second World War.
The 33rd (Western) Anti-Aircraft Brigade was an air defence formation of Anti-Aircraft Command of the Territorial Army, part of the British Army, formed shortly before the outbreak of the Second World War. It defended Merseyside and West Lancashire during The Blitz.
35th Anti-Aircraft Brigade was an air defence formation of Anti-Aircraft Command in the British Territorial Army (TA) formed shortly before the outbreak of the Second World War. It defended the important naval base of Portsmouth during The Blitz.
The 6th Anti-Aircraft Division was an air defence formation created within Anti-Aircraft Command of Britain's Territorial Army just before the Second World War. It defended the Thames Estuary and the approaches to London during the Battle of Britain and the Blitz.
The 37th Anti-Aircraft Brigade was an air defence formation of Britain's Territorial Army (TA) formed just before the outbreak of the Second World War. It was engaged in defending the Thames Estuary during the war, and continued to form part of Anti-Aircraft Command in the postwar era.
43rd Anti-Aircraft Brigade was an air defence formation of Britain's Territorial Army (TA). Formed in 1938, it was responsible for protecting Teesside in North East England during the early part of the Second World War, and later defended South East England from V-1 flying bombs. It was reformed postwar and survived under different titles until 1961.
The 1st Devonshire Artillery Volunteers and its successor units served in the British Army's Reserve Forces from 1859 to 1961. During World War I it carried out garrison duty in British India but went on to see active service in the Third Anglo-Afghan War. Converting to an air defence role before World War II its units participated in the Norwegian campaign and the Dunkirk evacuation, the Battle of Britain and then the campaigns in North Africa, Italy, and Burma
The 7th Anti-Aircraft Division was an air defence formation of the British Army during the early years of the Second World War. It defended North East England during the Battle of Britain and The Blitz.
The 8th Anti-Aircraft Division was an air defence formation of the British Army during the early years of the Second World War. It defended South West England during The Blitz and the Luftwaffe 'hit and run' raids, but only had a short career.
6th Anti-Aircraft Brigade was an air defence formation of the British Army formed during the Second World War. It served in the disastrous Norwegian Campaign in 1940 and then defended East Anglia during the Battle of Britain and The Blitz. It was reorganised to take part in the invasion of Normandy, but instead was diverted to defending Southern England against V-1 flying bombs. It was briefly recreated in the postwar Regular Army.
44th Anti-Aircraft Brigade was an air defence formation of Britain's Territorial Army (TA). Formed in 1938, it was responsible for protecting Manchester and later the Isle of Wight during the Second World War. It was reformed postwar under a new title, and continued until 1955.
52nd Light Anti-Aircraft Brigade was an air defence formation of Britain's Territorial Army (TA) during the Second World War. Formed on the outbreak of war to control static searchlight (S/L) sites in Scotland, it later operated as a headquarters (HQ) for mobile anti-aircraft (AA) gun units in the Allied invasion of North Africa and subsequent Italian Campaign.
The 3rd West Lancashire Artillery was a volunteer unit of Britain's Territorial Force recruited from Liverpool that saw action during the First World War, distinguishing itself at the Battle of the Avre. During the Second World War, it served in the air defence and medium artillery roles at home and in the Far East. Its successor unit continues to serve as a battery in the modern Army Reserve.
The 4th Lancashire Artillery Volunteers, later renamed to the 4th West Lancashire Brigade, known as 'The Old 4th', was a part-time unit of the British Army's Royal Artillery founded in Liverpool in 1859. It served on the Western Front during World War I, one of its members winning the Victoria Cross at Cambrai. Between the world wars the unit pioneered mechanical traction methods. During World War II it formed three regiments that saw action at Dunkirk, in East Africa, on Crete, at Tobruk, in Burma, and in the final campaigns in Italy and North West Europe. It continued in the post-war Territorial Army until 1973.
12th Anti-Aircraft Brigade was an air defence formation of the British Army during the Second World War. It specialised in providing anti-aircraft (AA) protection for forward airfields, for the Advanced Air Striking Force in the Battle of France and the Desert Air Force in the North African Campaign. It landed at Salerno in 1943 and fought through the Italian Campaign, its guns often engaging ground targets as well as aircraft. It was reformed postwar and continued for a few years in Anti-Aircraft Command.
The 103rd Light Anti-Aircraft Regiment, Royal Artillery, was an air defence unit of the British Army during World War II. Initially raised as an infantry battalion of the East Lancashire Regiment in 1940, it transferred to the Royal Artillery in 1941. It served in Northern England and Northern Ireland but saw no active service. Shortly before D Day, it was broken up to reinforce other units that fought in the campaign in North West Europe.
The 3rd Lancashire Artillery Volunteers was a unit of Britain's part-time Volunteer Force recruited from Blackburn and the surrounding area in 1860. It became a brigade of the Royal Field Artillery in the Territorial Force in 1908, and served through the First World War with the 42nd Division at Gallipoli, in Egypt and on the Western Front. Its second line unit also served on the Western Front in 1917–18. During the Second World War, its batteries operated in the light anti-aircraft role in Norway, France, Greece, Crete, North Africa and Italy. It was reformed postwar, but disappeared in a merger in 1955.
The 56th Light Anti-Aircraft Regiment, Royal Artillery, was a Royal Artillery (RA) air defence unit of Britain's part-time Territorial Army (TA) raised as a duplicate unit just before the outbreak of the Second World War. It served in the Norwegian Campaign and then joined 8th Armoured Division. It was sent to Egypt and participated in the Second Battle of El Alamein and the subsequent pursuit across North Africa. It then fought in the Italian Campaign, including defending the Salerno and Anzio beachheads. It often operated under US command, on one occasion in an anti-tank role. The regiment reformed as heavy AA artillery in the postwar TA and continued until 1955 when it merged with other units in Lancashire.
United Kingdom 
Territorial Army 
