original_query: When and where was the gun mount and anti-aircraft machine guns fitted on Musashi?
query: When and where was the gun mount and anti-aircraft machine guns fitted on Musashi?
answer: Musashi's secondary armament of twelve 127 mm guns, twelve triple 25 mm gun mounts, and four Type 93 anti-aircraft machine guns was fitted from September 3–28, 1942 at Kure.