sentences:  The airport is unique in that it is located on the site of the Tule Lake War Relocation Center, a concentration camp used during the Japanese American internment.Tule Lake housed some 29,000 men, women and children between 1942 and 1945, and the foundations or supports of many camp buildings are visible from the air by pilots in the landing pattern.Following the dismantling of most barracks and other structures, the wide, hard-packed main firebreak and a smaller firebreak road were put to use as runways.