Discussion of armaments on U.S. ships shall, however, not be restricted to guns - it will also include U.S. submarine and aircraft torpedoes, bombs, depth charges, and whatever else on a ship could be used to sink enemy ships, subs, or down aircraft. Note that I must except hand-held weapons here, although frequently even these weapons were used by U.S. naval personel to try to shoot down enemy planes. 

    American armaments certainly were not spectecular. There was no 460mm gun. There were no underwater-trajectory shells, no 640mm super-torpedoes. Indeed quite a few weapons were rather useless - notably the 28mm anti-air mounts and the Mk13/14/15 series of air-dropped, submarine-launched, or destroyer-fired torpedos. But the U.S. Navy had to use all of these weapons in 1942 at least, and some quite longer. 

    In general, U.S. armaments were solid pieces of work that could be relied upon. It is interesting to note, maybe, that this section opened with the 40mm L/56 gun - a Swedish weapon.  
The section is structured as follows: each weapon is intorduced in design history and combat history, as far as it is possible to note these facts. Many people have complained that I was using metric measures; the disclaimer should give you an idea of why I am doing this. However, with this new section there was enough time to include the English measures as well. The Stats now display metric/english measures whereever appropriate.