Think tank takes aim at firefighting planes

FILE - In this July 31,2003 file photo showing a Canadair CL-215 scooper aircraft retrieves water from Lake MacDonald to fight a fire in Glacier National Park, Mont. A think tank says the U.S. Forest Service ought to consider pursuing a much different strategy for using airplanes to fight wildfires, one that relies much more on planes that scoop up water on the fly and much less on air tankers that drop fire retardant chemicals and need to be reloaded on the ground at airports. (AP Photo/Douglas C. Pizac,File)