<span style="color: #222222;">US Air Force General Tod D. Wolters has been sworn in as the top military officer of the 29-nation NATO military alliance. </span><br />'' <br />'' <span style="color: #222222;">The former pilot, who has served in Afghanistan and Iraq, became Supreme Allied Commander Europe at a ceremony today at NATO's military headquarters in Mons in southern Belgium. </span><br />'' <br />'' <span style="color: #222222;">Wolters' term is likely to run two to three years. He will also be commander of U.S. forces in Europe. The post has always been held by an American military officer.</span><br />''