NYT: Copter Crashes Suggest Change in Iraqi Tactics
By RICHARD A. OPPEL Jr. and JAMES GLANZ
Published: February 8, 2007
BAGHDAD, Feb. 7 — With two more helicopter crashes near Baghdad, including a Marine transport crash on Wednesday that killed seven people, the number of helicopters that have gone down over the past three weeks rose to six. American officials say the streak strongly suggests that insurgents have adapted their tactics and are now putting more effort into shooting down the aircraft.
The number also includes a previously unreported downing of a helicopter operated by a private security firm on Jan. 31.
Some aspects of the recent crashes indicate that insurgents have become smarter about anticipating American flight patterns and finding ways to use old weapons to down helicopters, according to military and witness reports. The aircraft, many of which are equipped with sophisticated antimissile technology, still can be vulnerable to more conventional weapons fired from the ground....
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Among the troops, helicopters are still seen as a less vulnerable way to travel than the ground convoys that are commonly subject to roadside bombs that can tear through thick vehicular armor.
Historically, improved tactics in shooting down helicopters have proved to be important factors in conflicts in which guerrillas have achieved victories against major powers, including battles in Somalia, Afghanistan and Vietnam....
http://www.nytimes.com/2007/02/08/world/middleeast/08helicopter.html?hp&ex=1170910800&en=28c2710b8ef39bee&ei=5094&partner=homepage