After World War II, Okinawa was placed under U.S. military rule and administratively separated from mainland Japan. This occupation lasted from 1945 to 1972, and in these decades Okinawa became the “Keystone of the Pacific,” a leading strategic site in U.S. military expansionism in Asia and the Pacific. U.S. rule during this Cold War period was characterized by violence and coercion, resulting in an especially staggering scale of sexual violence against Okinawan women by U.S. military personnel. At the same time, the occupation also facilitated numerous cultural encounters between the occupiers and the occupied, leading to a flourishing cross-cultural grassroots exchange. A movement to establish American-style domestic science (i.e., home economics) in the occupied territory became a particularly important feature of this exchange, one that mobilized an assortment of women—home economists, military wives, club women, university students, homemakers—from the United States, Okinawa, and mainland Japan. The postwar domestic science movement turned Okinawa into a vibrant theater of Cold War cultural performance where women of diverse backgrounds collaborated to promote modern homemaking and build friendship across racial and national divides. As these women took their commitment to domesticity and multiculturalism into the larger terrain of the Pacific, they articulated the complex intertwining that occurred among women, domesticity, the military, and empire.