Japanese air attacks on the Mariana Islands 27 in preparation for operations against Japan itself. The USAAF bases in the Mariana Islands were within range of a number of Japanese air bases in the Pacific. These included Wake Island to the east, Truk and the Gilbert and Marshall Islands to the southeast, Woleai to the south and Yap to the southwest. To the north the Japanese had air bases in the Nampo Shoto chain of islands and Bonin Islands, which included three airstrips on Iwo Jima. Several of the minor islands in the Mariana chain also remained in Japanese hands, and there were airfields on Rota and
Internment of Japanese Americans related to the Japanese American experience. On October 1, 1987, the Smithsonian Institution National Museum of American History opened an exhibition called, "A More Perfect Union: Japanese Americans and the U.S. Constitution". The exhibition examined the Constitutional process by considering the experiences of Americans of Japanese ancestry before, during, and after World War II. On view were more than 1,000 artifacts and photographs relating to the experiences of Japanese Americans during World War II. The exhibition closed on January 11, 2004. On November 8, 2011, the National Museum of American History launched an online exhibition of the same name with