Trump and NATO defense spending; investor calls on Musk to stop cooperating with the president; the F-35’s air show prospects; and goodbye to a government shutdown.
Readers discuss tapping "black" world technology, challenge a commentary about electronics ban at airports, urge Army to use enhanced training systems for helo pilots and mull merits of diversity in aerospace.
Ride-hailing giant Uber held a summit on its Elevate concept for urban air mobility, drawing 500+ people, including manufacturers, regulators and investors.
Demonstration flights and limited operational approvals are building experience and confidence in flying drones safely beyond visual line of sight of the operator.