Patriot fratricide incidents in Operation Iraqi Freedom involved a combat identification deficiency that was "not exactly a surprise," yet the need to fix it has never been given enough support, a Pentagon advisory board states in a new report. Patriot was involved in three friendly fire incidents during major combat operations. In two of them, Patriot missiles were fired at coalition aircraft, killing three people -- two British pilots and a U.S. Navy pilot. A third involved a U.S. aircraft...