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DC helicopter route permanently closed after fatal Black Hawk crash
The move follows federal investigators's call for a ban on helo flights on the route, citing a string of near misses in recent years.
By John Seewer, The Associated Press and Tara Copp, AP
Safety board calls to end helo flights on route of fatal DC crash
The National Transportation and Safety Board is recommending helicopters no longer fly along the route when planes are landing on specific runways at DCA.
By Jen Judson
China’s shipbuilding dominance a national security risk for US: Report
A report details how China has grown to be the dominant global player in shipbuilding, dwarfing the U.S., which now has only 0.1% of the global market.
Top Army aviators were on routine flight when helo collided with jet
Here's what is known about the Black Hawk and its crew that crashed into the American Airlines passenger jet over the Potomac River in Washington.
By Jen Judson