<p>This undated image provided by the US Marines shows a AH-1W "Cobra" helicopter. Seven Marines were killed in a collision of two helicopters, one of them similar to this one, near Yuma, Ariz., during night training exercises, Wednesday, Feb. 22, 2012. Lt. Maureen Dooley with Miramar Air Base in California said the service members with the 3rd Marine Aircraft Wing were based at Camp Pendleton north of San Diego. The crash involved an AH-1W "Cobra" …
February 23, 2012
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February 23, 2012 6:29 a.m.
Calif. copter collision kills 7 Marines
SAN DIEGO (AP) — Two military helicopters collided over the California desert during nighttime training exercises, killing seven Marines in the latest of several aircraft accidents involving Camp Pendleton troops.