
1) Soviet phraseology
Found on
https://www.crosswordclues.com/clue/gosplan

Gosudarstvennyi planovyi komitet (State Planning Committee). Under party guidance, it was primarily responsible for creating and monitoring five-year plans and annual plans. The name was changed from State Planning Commission in 1948, but the acronym was retained.
Found on
http://soviethistory.msu.edu/glossary/

central board that supervised various aspects of the planned economy of the Soviet Union by translating into specific national plans the general ... [2 related articles]
Found on
http://www.britannica.com/eb/a-z/g/52

State Planning Committee. Under party guidance, it was primarily responsible for creating and monitoring five-year plans (q.v.) and annual plans. The name was changed from State Planning Commission in 1948, but the acronym was retained.
Found on
https://irp.fas.org/world/russia/su_glos.html
No exact match found.