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(FILES) A 105mm gun is dropped by a Chinook helicopter to British 29 Commando Regiment Royal Artillery on the Fao Peninsula in southern Iraq, on March 21, 2003. A long-awaited public inquiry into Britain's role in the Iraq war opened on November 24, 2009, six and a half years after then premier Tony Blair led Britain in backing the US-led invasion to oust Saddam Hussein. AFP PHOTO/STEPHEN HIRD (Photo credit should read STEPHEN HIRD/AFP/Getty Images)

(FILES) A 105mm gun is dropped by a Chinook helicopter to British 29 Commando Regiment Royal Artillery on the Fao Peninsula in southern Iraq, on March 21, 2003. A long-awaited public inquiry into Britain's role in the Iraq war opened on November 24, 2009, six and a half years after then premier Tony Blair led Britain in backing the US-led invasion to oust Saddam Hussein.        AFP PHOTO/STEPHEN HIRD (Photo credit should read STEPHEN HIRD/AFP/Getty Images)