U.S. Army members setting up a MIM-104 Patriot unit at Osan Air Base during an Operational Readiness Exercise. AiirSource covers events and missions from .
South Korea will sign a contract before the year is out to overhaul its Patriot missile system. The new system and missiles, which will cost well in excess of one .
Six batteries of U.S. made, but NATO-backed, missile defense systems have been set up in southeastern Turkey to protect against aerial attacks from war-torn .