 He believed that the commanders in Hawaii, General Short and Admiral Kimmel, though scapegoated for decades, provided adequate defensive measures for the apparent threats, including relocation of the fighter aircraft at Pearl Harbor to the middle of the base, in response to fears of sabotage from local Japanese.Despite a breakthrough in intelligence, they had received limited warning of the increasing risk of aerial attack.Recognizing that a balanced and objective recounting was necessary, Zanuck developed an American-Japanese co-production, allowing for "a point of view from both nations".