Photos: Keeping watch with unmanned aircraft

Photos: Keeping watch with unmanned aircraft

Summary: UAVs prowl the skies over Iraq and along the border of Mexico--and they might soon fly more widely in U.S. airspace.

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TOPICS: Travel Tech
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  • Global Hawk UAV

    One of the largest UAVs is the Global Hawk, which has a wingspan of 116 feet. (A Cessna 152 has a wingspan of just 34 feet, and a DC-10 has a wingspan of 155 feet.) The U.S. military used the Global Hawk during the invasion of Afghanistan. It can fly at altitudes up to 65,000 feet at about 400 mph with a range of 12,000 nautical miles. Surveillance images are relayed in near-real time through satellites or direct radio links. The 12th Reconnaissance Squadron pictured here is the home unit for the Global Hawk mission.

  • Long haul Hawk

    The Air Force's Global Hawk made aerospace history as the first UAV to fly without refueling 7,500 miles from Edwards Air Force Base, Calif., to Australia.

  • Raven UAV

    Spc. Michael Rodenberg, left, and Sgt. Joshua Harris, perform preflight checks of the Raven UAV. This tiny UAV, with a wingspan of 4.5 feet, flies its missions at about 100 to 300 feet above ground level. It can be flown by remote control or programmed to go to preset GPS waypoints, and is being used in the occupation of Iraq.

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Topic: Travel Tech

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