大本営発表
Meanings
1
Imperial General Headquarters announcement; official announcement (often with a nuance of propaganda or unreliable information)
Originally referred to official announcements made by the Imperial General Headquarters during World War II, which were often propagandistic or misleading. In modern usage, it can refer to any official announcement that is perceived as unreliable or self-serving.
During the war, Imperial General Headquarters announcements often differed from the facts.
The government's explanation is just like a propaganda announcement.