Japanese air attacks on the Mariana Islands commandos undertook intensive training at Saitama Kanto and the raid was scheduled to take place on January 17, 1945, but was canceled after damage to the airfields at Iwo Jima. The Giretsu Airborne Unit instead attacked a U.S. airbase at Okinawa on 24 May, destroying nine aircraft and damaging another 29. Following the perceived success of the raid on Okinawa the IJN developed plans for a force of naval commandos to attack airfields in the Marianas. On June 24, it issued orders for a raid involving 30 Yokosuka P1Y "Frances" bombers and 20 G4Ms carrying naval commandos. The plan, Operation
Attack on Kure (March 1945) series of raids on airfields which took place on 16 and 17 February 1945, in which the American aviators claimed to have destroyed 341 Japanese aircraft in the air and 190 on the ground for the loss of 80 of their own to all causes. The second raid had been made against airfields in the Tokyo region on 25 February, in which the Americans claimed 46 Japanese aircraft while losing 16. After this attack, Task Force 58 returned to its base at Ulithi atoll to rest and prepare for further operations. By this stage of the war, the IJN was