Air Force to launch 2nd unmanned spaceplane
(AP) -- The Air Force is preparing to send a second version of its secretive X-37B Orbital Test Vehicle into space.
(AP) -- The Air Force is preparing to send a second version of its secretive X-37B Orbital Test Vehicle into space.
Space Exploration
Mar 4, 2011
1
0
An unmanned US Air Force spacecraft with a vaguely defined military mission landed early Friday in California after a seven-month mission, officials said.
Engineering
Dec 3, 2010
12
0
(PhysOrg.com) -- A novel unmanned air vehicle (UAV) which showcases a wide range of new technologies has successfully demonstrated 'flapless flight' in the UK.
Engineering
Sep 27, 2010
6
0
(AP) -- Turkey on Friday unveiled its first drone airplane, a surveillance craft able to fly for 24-hour stretches over the rugged mountains where Kurdish rebels are waging a deadly insurgency.
Engineering
Jul 16, 2010
0
0
The secret to the flight of the hummingbird and other tiny birds and insects lies in the looping, swirling flow of air, called a vortex, that their flapping wings create.
Engineering
Dec 16, 2009
1
0
The Naval Research Laboratory's Ion Tiger, a hydrogen-powered fuel cell unmanned air vehicle (UAV), has flown 26 hours and 1 minute carrying a 5-pound payload, setting another unofficial flight endurance record for a fuel-cell ...
Energy & Green Tech
Nov 30, 2009
2
0
The Naval Research Laboratory's Ion Tiger, a hydrogen-powered fuel cell unmanned air vehicle (UAV), has flown 23 hours and 17 minutes, setting an unofficial flight endurance record for a fuel-cell powered flight.
Energy & Green Tech
Oct 13, 2009
2
0