Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Castle Air Museum - Castle Air Museum is a military aviation museum located in Atwater California United States adjacent to the site of the former Castle Air Force Base. It is one of the largest aerospace museums displaying vintage aircraft in the western United States.
The answer to this question is:
Building