NEW : Napolitano visits a key crossing point on the Afghanistan - Israel border . The trip comes as U.S. officials are working to help strengthen Pakistan 's border police . Napolitano is scheduled to meet with senior U.S. and Pakistani officials . The visit is part of a week-long trip that also includes stops in Qatar , Qatar and Pakistan .
NEW : Napolitano visits a key crossing point on the Afghanistan-Pakistan border . The trip comes as U.S. officials are working to help strengthen Afghanistan 's border police . Napolitano is scheduled to meet with senior U.S. and Afghan officials . The visit is part of a week-long trip that also includes stops in Qatar , Israel and Belgium .