The manuscript is based on the dramatic events of August 2008, and the subsequent activities of the leadership of the Military Counterintelligence Department of the FSB of Russia, and one of its head departments during the complex, far from unambiguous and painful reform of 2008–2012 in the Russian army. This is their multifaceted activities take place against the background of the struggle with foreign intelligence services, primarily the CIA, to prevent the leakage of critical defense secrets and modern military technologies. The book is intended for a wide range of readers.