noun
Refers to a supreme command center, often used historically for the General Headquarters of the Allied Powers (GHQ) in occupied Japan.
戦後、日本は連合国軍総司令部の占領下に置かれた。
After the war, Japan was placed under the occupation of the General Headquarters of the Allied Powers.
司令部 is a general 'headquarters' or 'command post', while 総司令部 specifically denotes a supreme or general headquarters, often with broader authority.
Compound of 総 (そう, 'general, overall') + 司令部 (しれいぶ, 'headquarters').