GLOBAL

Lt. Col. Nikolay Y. Naydenov, Bulgaria Bulgaria is a target of Russia’s gray zone aggression, wherein the Kremlin’s desired goal

By Kyrylo Sakhniuk Colonel, Ukraine National Guard Russian irregular warfare against Ukraine is not new. However, since 2014, the Kremlin

By Dr. Thomas A. Marks As the U.S. security community continues its pivot to great power competition, two decades of