The Israeli Air Force is expected to decide by the end of the year whether it will purchase a third squadron of F-35 jets or Boeing’s latest F-15I. Israel originally intended to buy 75 F-35s but has only committed to two squadrons of 25 so far.

China is reportedly nearing mass production of its J-20 stealth fighter after resolving engine problems. A new and improved engine is claimed to put the J-20 'on par' with the F-35. China currently has around 20 of the jets.

The UK Government has allocated £92m to exploring the feasibility of developing an alternative to the Galileo satellite system.  This is the latest move in an ongoing row over Britain's position in the EU Galileo project after Brexit.

DARPA has announced a $2bn campaign to develop new artificial intelligence technologies. The multi-year strategy “seeks contextual reasoning in AI systems to create more trusting, collaborative partnerships between humans and machines” according to a release by the agency. Specifically, DARPA wants to explore new theories and applications that could make it possible for machines to adapt to changing situations.

The US Air Force has awarded Northrop Grumman a $47m contract to assess the system and payload requirements for a new missile early warning satellite system. Northrop will build two polar orbiting satellites, known as overhead persistent infrared polar space vehicles. Together with three geosynchronous orbiting satellites built by Lockheed Martin, they will make up a five-satellite system to complement the space-based infrared satellite, which currently operates as the US military’s missile early warning system.