At the NATO Lisbon summit in November 2010, a strategic plan was concluded to establish a ballistic missile defense system covering all alliance members. As a NATO member state, the government of Turkey approved the installation of an early-warning radar system on its territory, but insisted on a condition that all the information gathered at the radar station would be strictly for use by the NATO member states. After signing an agreement on final conditions in September 2011, officials from Turkey and the U.S. determined a site near the town of Kürecik in the Akçadağ district of Malatya Province as feasible. In the 1960s, the site hosted a radar base for surveillance of the Soviet Union airspace. Kürecik is located west of Malatya. The radar station is situated on the hill of Çat Tepe at an elevation of .