The German parliament has given the green light for the purchase of four Patriot air defence systems for the country’s armed forces. Following the Defence Committee’s lead, the Budget Committee gave its necessary approval for the procurement on Wednesday in Berlin, according to reports from the Bundestag. The German Air Force had handed over two of its Patriot systems to Ukraine and only had 10 left for its own use. They are among the most modern in the world, and are used to combat enemy aircraft, ballistic missiles and cruise missiles. The defence missiles can hit targets at a distance of ar…