American forces are no longer capable of supplying missiles to U.S. allies amid its war with Iran.Andrius Kubilius, the European Union’s defense and space commissioner, said Friday that the continent is facing a “huge challenge” in stepping up its defense production to adequately fill the gap left by the U.S. with regards to Ukraine.“It’s very clear that after the Iranian crisis ... it became more urgent for us in Europe to ramp up production of air defense and anti-ballistic missiles,” Kubilius...