Royce was a supporter of the US wars in Iraq and Afghanistan. In 2002, he voted in favor of authorizing President George W. Bush to use force in Iraq. In 2003, he voted yes on an emergency appropriation of $78 billion for the wars in Iraq and Afghanistan. From 2003-06, he voted in favor of the annual supplemental spending bill to continue funding for the Iraq war. In 2005, he voted against Amendment 214 to HR 1815, which called on Bush to develop a plan for withdrawing U.S. troops from Iraq; in favor of Amendment 488 to HR 2601 to keep troops in Iraq; and in favor of HR 612 opposing a timetable for withdrawal of troops from Iraq. In 2006, he voted for HR 861, a resolution labeling the war in Iraq as part of a global war against terrorism.