Ukraine’s search for ballistic missile interceptors is a matter of national security. Aside from the US-made PAC-3, Ukraine’s military has no practical means of stopping a Russian ballistic missile once launched. The Kremlin has exploited a near-total absence of PAC-3 missiles in Ukrainian hands to bombard Ukrainian homes and businesses ruthlessly with its ballistic missiles. In the first week of August, Russia launched 51 ballistic missiles, of which none were intercepted. in the Wall Street Journal, the usually pro-Republican broadsheet called Trump’s active prevention of PAC-3 interceptor missile deliveries to Ukraine strategically foolish and morally wrong.