The 120th Light Anti-Aircraft Regiment, was an air defence unit of the British Army's Royal Artillery during World War II. It landed on D-Day and saw action throughout the campaign in North West Europe, defending the vital Scheldt Estuary until the end of the war.

12th Anti-Aircraft Division was an air defence formation of the British Army during the early years of the Second World War. It defended Western Scotland and Northern Ireland, including the period of the Clydebank Blitz and Belfast Blitz, but only had a short career.