The impact of the Cold War on architecture in the United States is exemplified in the promotion and construction of fallout shelters. The development of the hydrogen bomb by the United States and Soviet Union in the first half of the 1950s increased fears of the far-reaching effect nuclear war could have on public health and safety. Government agencies, such as the Office of Civil Defense, promoted the widespread construction and use of the fallout shelter as a safeguard against human annihilation in the event of nuclear war. This thesis examines the various types of residential fallout shelters designed by public and private entities. The location of the fallout shelter within the family residence had the largest impact on the style and construction method adopted. This thesis investigates a wide variety of examples and techniques used to encourage fallout shelter construction. An in-depth discussion of the preservation of the residential shelter completes the text, including two examples of current preservation practices. / Nuclear weapons, the Cold War and a need for shelters -- Evolution, promotion and requiremens for residential fallout shelters -- Interior residential shelters -- Exterior residential shelters -- Preservation issues of the residential fallout shelter. / Access to thesis permanently restricted to Ball State community only / Department of Architecture