Northrop Grumman demonstrates Unmanned Aerial Vehicle air-to-air refueling

Northrop Grumman’s Proteus test aircraft (Proteus is a tandem-wing high-endurance aircraft designed by Burt Rutan to investigate the use of aircraft as high altitude telecommunications relays), and a NASA Global Hawk (Global Hawk [known as Tier II+ during development] is an Unmanned Aerial Vehicle (UAV) used by the United States Air Force and Navy as a surveillance aircraft.) have set a new industry record by flying as close as 40 feet apart at an altitude of 45,000 feet.(NB:The Proteus is… (www.defenceaviation.com) さらに...