And it did not raise the possibility that terrorists might use airplanes as missiles.
Are American farmers so rich that they use airplanes to plant their crops?
In 1928 it began to use airplanes to deliver newspapers to other cities.
Across the country, pro-Assad forces use airplanes, Scud ballistic missiles and artillery to level rebel controlled neighborhoods.
The Central European powers are the "Clankers," and they use airplanes, zeppelins and walking machines that tramp through forests and fields.
He also said terrorists would most likely use airplanes, boats or even cars equipped with foggers or sprayers, like those on crop dusters, to disperse biological agents.
A Congressional inquiry into intelligence activities before Sept. 11 found 12 reports over a seven-year period suggesting that terrorists might use airplanes as weapons.
A variety of scientific methods are being used across the various studies, including approaches that measure emissions directly at the source and those that use airplanes or towers equipped with sensors to measure total emissions in a given area.
The indictment charged Mr. Moussaoui with conspiracy to commit acts of terrorism; to commit aircraft piracy; to destroy aircraft; to use airplanes as weapons of mass destruction; to murder government employees; and to destroy property.
