Hints and tips:
...The V-280 Valor is in contention for a US military programme, designed to fly twice as fast as the helicopters it could replace....
...Reaching a medical wing, the robot putters to a stop. A nurse presses its finger scanner, taps in a code and Abbie pops out a drawer with drugs for a patient....
...Most 3D printers are currently used for building prototypes for the medical, aerospace, engineering and automotive industries, but with advances in digital technology, these machines are becoming smaller...
...Marine Ospreys have been deployed in Afghanistan since November 2009, says Lt Col Robert Freeland, medium-lift requirements officer at Marine Corps headquarters and a V-22 pilot himself....
International Edition