Kyiv’s Western allies “can actually see if their weapons work, how efficiently they work and if they need to be upgraded”, Reznikov said in an interview. “For the military industry of the world, you can’t invent a better testing ground,” he added. To protect its skies from Russian missiles, Ukraine has also received US-Norwegian Nasams air defences as well as Germany’s newly developed Iris-T. It is the first time all the different NATO-grade systems have been put to the test together. “The systems work together . . . It’s also very important for them to know,” Reznikov said. Artillery including...