Ukraine's air force says one of its F-16 fighter jet pilots completed a "world first" last month by shooting down six Russian missiles during a single deployment. The pilot shot down the cruise ...

In the ’60s, rocket engine design and manufacturing company Rocketdyne had tried to make the J-2T Aerospike, a toroidal aerospike concept intended as an improvement over the Rocketdyne J-2 engine for ...