Yamato Holdings Co. said Friday it has agreed to jointly develop an unmanned cargo aircraft with Bell Helicopter Textron Inc. of the United States, aiming to launch the "flying truck" by mid-2020s amid a labor shortage in the logistics industry.Yamato said it will develop the cargo container, while Bell will build the body of the autonomous aircraft, which will take off and land vertically and cruise horizontally.The vehicle is expected to carry cargo weighing up to 453 kilograms at 160 kilometers per hour.Japanese logistics companies are keen to introduce cutting-edge technologies such as …READ FULL ARTICLE