Boeing's new Phantom Ray unmanned aircraft took to the air for the first time on Monday, with some help from one of NASA's 747 Space Shuttle Carrier Aircraft.
The U.S. National Transportation Safety Board has opened an investigation after the sole air traffic controller at Washington Ronald Reagan National Airport fell asleep on duty.
As part of a simmering political conflict, Saudi Arabia, Bahrain, the UAE, and Egypt have severed ties with Qatar, disrupting the region's aviation industry.