Irak

[Francisco]

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U.S. counters chopper attacks

CAMP SPEICHER, Iraq — The U.S. military is countering a recent wave of Iraqi insurgent attacks on helicopters by limiting the airspace where U.S. pilots can fly.

The enlargement of several "no-fly zones" north of Baghdad — marked as red circles on aviation maps — may be yielding results. Enemy fire brought down at least seven U.S. military helicopters between Jan. 20 and Feb. 21, but there have been no new reported shootdowns since that period.