The Japanese government said Wednesday it has asked the U.S. military to swiftly report mishaps after it took six days for it to be notified that an F-15 fighter jet stationed in Okinawa had lost a part during a flight."It is truly regrettable that it was not reported immediately," said Chief Cabinet Secretary Yoshihide Suga, adding the government has asked the U.S. military to report such incidents promptly, investigate the cause and prevent a recurrence.A part resembling an antenna weighing 1.4 kilograms fell from the fighter jet stationed at the U.S. Kadena Air Base in Japan's southweste…READ FULL ARTICLE