The National People's Army were the armed forces of the German Democratic Republic from 1956 until 1990. The NVA was organized into four branches: the Landstreitkräfte, the Volksmarine, the Luftstreitkräfte and the Grenztruppen. From Wikipedia
Director Helge Heidemeyer called the action an unacceptable celebration of the SED dictatorship following staff reports to police.
