[timeout:300][out:json];
(
node(around:1000,51.99766,-0.74208)[building=commercial][~"^(addr:housenumber|.*name.*)$"~".",i];
way(around:1000,51.99766,-0.74208)[building=commercial][~"^(addr:housenumber|.*name.*)$"~".",i];
rel(around:1000,51.99766,-0.74208)[building=commercial][~"^(addr:housenumber|.*name.*)$"~".",i];
node(around:1000,51.99766,-0.74208)[landuse=industrial][name];
way(around:1000,51.99766,-0.74208)[landuse=industrial][name];
rel(around:1000,51.99766,-0.74208)[landuse=industrial][name];
);
out center tags;
Hut 3 was a section of the Government Code and Cypher School at Bletchley Park during World War II. It retained the name for its functions when it moved into Block D. It produced military intelligence codenamed Ultra from the decrypts of Enigma, Tunny and multiple other sources. Hut 3 thus became an intelligence agency in its own right, providing information of great strategic value, but rarely of operational use. Group Captain Eric Malcolm Jones led this activity from 1943 and after the war became deputy director, and in 1952 director of GCHQ. In July 1945, General Dwight D. Eisenhower Supreme Commander of Allied forces wrote to Sir Stewart Menzies, Chief of the British Secret Intelligence Service (MI6) saying inter alia:
found a single match candidate
| Cryptography organizations | building=commercial, landuse=industrial |