Krejikistan was a part of the Soviet Union on Earth. After the fall of the Union, it became an independent state.
The country was about twice the size of Wales. The Nevchenka Nuclear Missile Installation was located in southern Krejikistan. (PROSE: Option Lock)
Behind the scenes
The fictional nation of Krejikistan was later used in the novel Sure Fire (2008) by Jack Higgens and Justin Richards. The latter was the author of PROSE: Option Lock.