Please answer the following question: The Militarhistorisches Museum der Bundeswehr - Flugplatz Berlin-Gatow (Bundeswehr Museum of Military History - Berlin-Gatow Airfield; formally known as Luftwaffenmuseum der Bundeswehr) is the Berlin branch of the Militarhistorisches Museum der Bundeswehr. The museum acts as an independent military department. Entrance to the museum is free.The museum is in Berlin at a former Luftwaffe and Royal Air Force (RAF) airfield RAF Gatow. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Building