The MG 17 was a 7.92 mm machine gun produced by Rheinmetall-Borsig for use at fixed mountings in Luftwaffe aircraft . It was installed in the Messerschmitt Bf 109, Messerschmitt Bf 110, Focke-Wulf Fw 190, Junkers Ju 87, Junkers Ju 88 and many other aircraft . A machine gun is a fully-automatic firearm that is capable of firing bullets in rapid succession. ... The Luftwaffe? (German: air force, IPA: [luftvafÉ]) is the commonly used term for the German air force. ... (Bf 109 was the official Reichsluftfahrtministerium designation, since the design was sent in by the Bayerische Flugzeugwerke company. ... The Messerschmitt Bf 110 (later Me 110) was a twin-engine heavy fighter in the service of the Luftwaffe during World War II. Later in the war it was changed to fighter-bomber and night fighter operations, and it became the major night fighter type of the Luftwaffe. ... Focke-Wulf Fw 190A in flight. ... Junkers Ju 87 Dive-Bombers The Junkers Ju 87 or Stuka was the most famous Sturzkampfflugzeug (German dive bomber) in World War II, instantly recognisable by its inverted gull wings and fixed undercarriage. ... The Junkers Ju 88 was a WW2 Luftwaffe twin-engine multi-role aircraft. ...