They provide power for all sorts of things, both in the air and on the ground.
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The helicopter brigade will be deployed for about nine months, serving in a variety of support roles in the air and on the ground.
United says it has added minutes to flights in the New York area, including Newark, because of congestion-related delays both in the air and on the ground.
Further, officials said the FAA would take other steps to increase efficiency such as rerouting airspace, using technology to fill unused space in the air and on the ground, and using more precise routes for takeoffs and landings.
Ms Graham says ICAO is looking at using its powers, hitherto used only for safety issues, to impose deadlines for installing all the equipment needed, on the ground and in the air, to bring aviation into the 21st century.
Now Airbus is looking beyond aircraft design to how the aircraft is operated both on the ground and in the air.
The paper said the majority of errors involved failing to keep proper distance between planes on the ground and in the air.
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But Republicans - up in the air with Romney, and clutching lawn signs down on the ground - feel the campaign is theirs to win.
"What separates successful counterinsurgency from unsuccessful counterinsurgency is that it is won on the ground, and not in the air, " Brown said.
Nasa had positioned more than 100 cameras both on the ground and in the air to capture as much detail as possible on Discovery's ascent into orbit.
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Extell acquired a 99-year ground lease on the site in August 2011 and is assembling air rights for the 725, 000-square-foot building from a nearby church and from the city.
Tuesday night's crash, Brazil's second major air disaster in less than a year, killed all 186 people on the plane and three others on the ground.
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When asked last year about the rules of engagement for tear gas, he told the BBC that police in America are trained not to fire head-high and to either arc the canister into the air or roll it on the ground.
To assure the Russians that this initiative would only modify, not imperil, the U.S.-Soviet Anti-Ballistic Missile (ABM) Treaty signed in 1972, however, the Administration intends to reaffirm in a new agreement the earlier accord's bans on sea-, air-, mobile ground- and space-based missile defenses of the territory of the United States.
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