Plans for a large and intense aerial bombing of Berlin and the other eastern cities had been discussed under the code name Operation Thunderclap in mid-1944, but had been shelved on 16 August.
Plány na rozsiahly a intenzívny útok na Berlín a iné východonemecké mestá analyzovali Spojenci pod krycím názvom Operácia Thunderclap v polovici roku 1944, no napokon ho odložili na 16. augusta.