The military has been a key driver of technology throughout history and the 21st century is no exception. Drones, GPS and the internet itself are just some of the transformative technologies originally developed for the military that have found commercial applications, and the list continues to grow.

Raytheon and Northrop Grumman have formally agreed to collaborate on building an air-breathing hypersonic weapon for DARPA and the US Air Force. Under the new partnership, the two companies will develop, produce, and integrate scramjet combustors into hypersonic tactical missiles.