Analysis of information sources in references of the Wikipedia article "Balashikha" in Simple English language version.
Most frequent were Krasikov's visits to FSB's highly secure Special Operations Center in Balashiha, a suburb just outside Moscow. This heavily guarded facility, known as Military Unit 35690, was the original military base for the KGB's Vympel Spetsnaz unit, and now serves as headquarters for the FSB's CSO, as well the home-base of the elite and secretive Departments V and A.
