7 Marines die when helicopters collide (AP)

[unable to retrieve full-text content]AP - An aviation training accident that killed seven Marines — one of the Corps' deadliest aviation training accidents in years — left the military community shaken and was a solemn reminder that preparing for war poses some of the same risks as the real thing.

Source: http://us.rd.yahoo.com/dailynews/rss/usmilitary/*http%3A//news.yahoo.com/s/ap/20120224/ap_on_re_us/us_military_helicopters_collide

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