It is axiomatic in the military community that operations in an urban environment should be avoided if at all possible, given the costs they exact in time, personnel, casualties, and materiel. Yet, throughout history, cities have continuously been at the center of a variety of military sieges, street fighting, coups de main, peacekeeping and peace enforcement, stability operations and support operations, and disaster and humanitarian relief. Moreover, this trend continues through the recent past and up to the present as headlines concerning Beirut, Sarajevo, Mogadishu, Grozny, Kabul, and Baghdad indicate.