This photo shows Hornet's 40 mm guns firing on 16 February 1945, as the planes of Task Force 58 were raiding Tokyo. Note expended shells and ready-service ammunition at right.
USS Hornet
(CV-12)
The Hornet was armed with eight quad 40 mm guns, 46 single 20 mm guns, four single 5 inch guns, and four twin 5 inch guns. This photo shows one of the quad 40 mm gun stations.