National Security Journal on MSN

The X-15 Hit Mach 6.7 and Put Every Military on Earth On Notice

In 1967, USAF Major “Pete” Knight set a world speed record that remains “unbroken” 68 years later. -Flying the X-15A-2 rocket ...
The National Interest

Air Force Extends the F-15C/D Fighter’s Life Until 2031

The Air Force plans to extend the service of its old F-15C/D fighter jets for an additional four years. According to a report ...