Japan, the United Kingdom, and Italy are developing next-generation fighter jets

Japan, the United Kingdom, and Italy said Friday that they will collaborate to create a next-generation fighter plane, with the possibility of future collaboration with allies including the United States.

The new jet, which is projected to be completed by 2035, will combine the nations' existing research into cutting-edge air warfare technologies, ranging from stealth capability to high-tech sensors.

The three nations s....