Japanese air attacks on the Mariana Islands 1945. While the attacks on Iwo Jima damaged the island's airfields, the Japanese managed to keep at least one of them operational at all times, and none were closed for more than a single day. The need to repair damage to the airfields forced the Japanese garrison on Iwo Jima to divert labor from building defensive positions, however. The combination of heavy losses over Saipan and damage to the airfields on Iwo Jima caused the Japanese to break off their attacks against the Marianas on 2 January. Few Japanese aircraft visited Iwo Jima starting in January, and due to their
Japanese Americans the SAT and ACT may often exceed the national averages. Japanese Americans have the largest showing of any ethnic group in nationwide Advanced Placement testing each year. A large majority of Japanese Americans obtain post-secondary degrees. Japanese Americans often face the "model minority" stereotype that they are dominant in math- and science-related fields in colleges and universities across the United States. In reality, however, there is an equal distribution of Japanese Americans between the arts and humanities and the sciences. Although their numbers have declined slightly in recent years, Japanese Americans are still a prominent presence in Ivy League schools,