alt Hacker News> 404 is a classified code for a nuclear industrial base.
Can you expand? A code under what system? What were some other code numbers and what (unclassified) things did they refer to? Did each code refer to a specific city or specific factory? Or were all cities/factories dedicated to a certain type of industry or military objective classified under the same code? Why did they teach you this code number growing up?
I'm really fascinated by this. Fantastic story overall, can't wait for part 2!
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These are just numbered designations for many military organizations, just like in the Soviet Union. For example, pre-WWII Plant No.8 -> Artillery Plant 88 -> post-WWII Research Institute 88, nowadays known as TsNIIMash, with Special Design Bureau 88 led by Korolyov (known as RSC Energia today) as a spin-off.
I don't know the code system, for me they are random 3 numbers(like Plant 504 : A uranium enrichment facility.)Thank you liking it, I will post the second part on Monday.
Most things in the Chinese military system are numbered rather than named. Military units are numbered twice - a public cover designator and a private true unit designator, originally four and later five digits. Factories got a three digit number - 296 for the small arms factory in Jiangshe, 816 for the uranium enrichment plant in Fuling and so on. Everyone in and around Factory 404 would have known it as such, but the mere existence of Factory 404 was a state secret.
The existence of such a large and conspicuous secret might seem bizarre to the post-cold-war mind, but it was fairly common in the West too. For example, the British Telecom Tower in central London stands at 189 metres tall and had a revolving restaurant that was open to the public, but was also a designated site under the Official Secrets Act.