An attack in which bombs are dropped from aircraft onto a ground target
A building or structure designed to protect people from bombs dropped during air raids
A person responsible for patrolling an area deemed to be at risk from air raids, enforcing blackout regulations, and dealing with fires and injuries caused by bombs.
A public warning about impending air raids, usually given by means of a siren.
Measures taken to limit the risk of air raids or the damage they might cause; specifically (with capital initials; commonly referred to simply as A.R.P.) a division of the British Home Office created in 1924 to protect civilians from the danger of air raids.