"Royal Air Force Bomber Command, 1942-1945." The bomb load most commonly used for area bombing raids (Bomber Command executive codeword 'Usual') in the bomb bay of an Avro Lancaster of No. 57 Squadron RAF at Scampton Lincolnshire. 'Usual' consisted of a 4,000 impact-fused HC bomb ('cookie'), and 12 Small Bomb Containers (SBCs) each loaded with incendiaries, in this case, 236 x 4-lb incendiary sticks.