A U.S. plan to field thousands of cutting-edge drones for a potential conflict with China has fallen short of its goal, and the Pentagon is moving the effort to a new warfare group.

In the city of Bukavu in eastern Democratic Republic of Congo, Alain Mukumiro argues in a small wooden hut with a shopkeeper who refuses to take his money. Like many in the rebel-controlled city, ...

Born as a Navy fleet defender, the F-4 Phantom II evolved into a multi-service, multi-role icon. -It answered a Cold War need for a fast, long-range fighter with heavy missiles and big radar, then ...