 However, as Admiral Yamamoto feared, the attack produced little lasting damage to the US Navy with priority targets like the Pacific Fleet's three aircraft carriers out at sea and vital shore facilities, whose destruction could have crippled the fleet on their own, were ignored.Of more serious consequences, the U.S. public saw the attack as a barbaric and treacherous act and rallied against the Empire of Japan.The United States entered the European Theatre and Pacific Theater in full force.