Body: "Siege artillery" is the field of the heavy guns designed to bombard fortifications, cities, and other fixed targets.
Goals of "Siege artillery" include better understand the warfare machinery that has been used in the past and present.
cannonballs, shells, missiles, history are a few categories of "Siege artillery".
A few scholars of "Siege artillery" include B. P. Hughes, Bruce I. Gudmundsson, Boyd Dastrup.