The ADGB was created as a command in 1925 as a result of the 1923 recommendation of the Steel–Bartholomew Committee, including their recommendation to transfer responsibility for home air defence from the War Office to the Air Ministry.
The changing threat meant that AA defences were needed for many more potential targets in the British Isles, notably industries important for war production.
[7] In 1937, light AA guns were added, the RAF's view that small-calibre artillery were unsuitable having been finally overturned.
Unrotated Projectile (rocket) batteries were deployed at the beginning of the war.
[8] ADGB was resurrected in 1943 for the rump of Fighter Command defending the United Kingdom after the formation of the RAF Second Tactical Air Force in 1943 and AA Command.