Pentagon leaders officially end the US military mission in Iraq. Nearly 4,500 US military personnel were killed in Operation Iraqi Freedom (March 19, 2003 – Aug. 31, 2010) and the follow-on Operation New Dawn (Aug. 31, 2010 – Dec. 15, 2011) and more than 32,000 were wounded. (The last US troops left Iraq Dec. 18, 2011.)
Lockheed Martin projects more than a billion dollars of losses on a classified program, but company officials said April 23 they are confident it will turn profitable by 2028 and become a "franchise" system in the U.S. military.