资讯

Urban fires can mean long trips for helicopters to get water. One firefighter had a better idea
Helicopters are essential for firefighting. They can drop 1,000 gallons of water at once — some much more. That’s far more ...
Pentagon lost contact with Army helicopter on flight that caused jets to nix landings at DC ...
WASHINGTON (AP) — Military air traffic controllers lost contact with an Army helicopter for about 20 seconds as it neared the ...
Pentagon lost contact with Army helicopter on May 1 flight, causing 2 planes to abort D.C ...
On May 1, the Pentagon briefly lost contact with an Army helicopter nearby, causing two planes to abort landings at D.C.'s ...