Japanese air attacks on the Mariana Islands and anti-aircraft guns shot down about 37 Japanese aircraft during these raids. After the Marianas began to come under attack, the United States military stepped up its raids on the Japanese-held islands which could be used to launch raids on the B-29 bases. Particular attention was given to Iwo Jima, as it was correctly assumed that the Japanese aircraft which attacked the Marianas were flying from Japan and staging through the island en route to their targets. Following the first raid against Saipan in November, XXI Bomber Command B-29s were dispatched against Iwo Jima's airfields on November 5 and 8.
History of Japanese Americans of fruits, vegetables, and flowers on previously marginal lands. While the "Issei" (1st generation Japanese Americans) prospered in the early 20th century, most lost their farms during the internment. Although this was the case, Japanese Americans remain involved in these industries today, particularly in southern California and to some extent, Arizona by the areas' year-round agricultural economy, and descendants of Japanese pickers who adapted farming in Oregon and Washington state. Japanese American detainees irrigated and cultivated lands near World War II internment camps, which were located in desolate spots such as Poston, in the Arizona desert, and Tule Lake, California,