AP - The U.S. Forest Service is considering allowing its helicopters to attack wildfires at night, a practice the agency has long discouraged because of risks to pilots, a senior official said Monday.

Źródło: http://us.rd.yahoo.com/dailynews/rss/science/*http://news.yahoo.com/s/ap/20091201/ap_on_re_us/us_forest_service_night_flying

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