土耳其：既要重返F-35战机项目 又要保留S-400防空导弹系统

Core Viewpoint - Turkey and the United States are negotiating Turkey's re-entry into the F-35 fighter jet program, while Turkey's position on holding the Russian S-400 missile system remains unchanged [1] Group 1: Negotiations and Positions - Turkey's Ministry of Defense stated that the issue of holding the S-400 missile system is included in the discussions with the U.S., but there are "no new changes" regarding this matter [1] - Turkey demands the U.S. to lift sanctions and agree to Turkey's return to the F-35 program, asserting that resolving these differences would benefit bilateral relations [1] Group 2: U.S. Response and Legal Framework - U.S. Ambassador to Turkey, Tom Barak, confirmed that negotiations are ongoing but emphasized that under U.S. law, Turkey must abandon the S-400 system to rejoin the F-35 program [1] - The U.S. previously removed Turkey from the F-35 development and production project in April 2021, citing that the Russian S-400 system is incompatible with NATO defense systems and could allow Russia to track F-35 jets [1] Group 3: Diplomatic Context - Turkish President Erdogan met with U.S. President Trump in September, where Trump urged Turkey to stop purchasing Russian oil and hinted at the possibility of lifting restrictions on Turkey's purchase of F-35 jets [1]