米国：Darpaが，ドローン（無人航空機）の空中給油に成功

下記の記事が出ている。

　Unstaffed drone refuelling test 'successful'
　BBC: 8 October, 2012
　http://www.bbc.com/news/technology-19871063

　Tests show military drones could refuel themselves mid-air
　NBC: October 7, 2012
　http://www.nbcnews.com/technology/futureoftech/tests-show-military-drones-could-refuel-themselves-mid-air-1C6320770