Ukraine has strengthened its air defences against Russian attacks with another German Patriot system. “The German Patriot has arrived,” President Volodymyr Zelensky said in his nightly video address on Sunday. Germany has now provided Ukraine with three Patriot air defence systems, and according to Zelensky, the third system has likely reported readiness for deployment. “We will be able to do more in the sky,” Zelensky added. “Of course, there is still much to be done, and protection is by no means guaranteed, but it is nevertheless a gain for Ukraine.” Zelensky has repeatedly emphasized in re…