The United States on Thursday approved the possible sale of up to 600 Patriot air defence missiles to Germany for about $5 billion, the US State Department said. In a statement, the US Defense Security Cooperation Agency (DSCA) said the proposed sale would improve Germany’s capability to meet current and future threats and increase the defensive capabilities of its military. “This proposed sale will support the foreign policy and national security of the United States by improving the security of a NATO Ally that is an important force for political and economic stability in Europe,” the statem…