Flight 253 : learning lessons from an averted tragedy : hearing before the Committee on Homeland Security, House of Representatives, One Hundred Eleventh Congress, second session, January 27, 2010.

Coverage: Washington : U.S. Govt. Print. Off., 2010

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Flight 253 : learning lessons from an averted tragedy : hearing before the Committee on Homeland Security, House of Representatives, One Hundred Eleventh Congress, second session, January 27, 2010.