Graphic looks at the Patriot Advanced Capability-3 (PAC-3) anti-missile system and how it works; NATO has approved Turkey's request for Patriot anti-missile systems to be deployed along the country's border with Syria.
COMMENTING POLICY:Readers are encouraged to post comments that are germane to the article. We reserve the right to remove any user, and to delete comments that contain abusive language or personal threats, as well as those that are racist or demeaning. Readers may report comments by clicking "Report Abuse." Once a comment has been flagged, a Baltimore Sun staffer will investigate. Click here for more information on commenting.