In the space of two weeks, Russia’s invasion of Ukraine has set off one of the largest and fastest arms transfers in history. By road and rail, the Czech Republic sent 10,000 rocket-propelled grenades to Ukraine’s defenders last week alone. In Poland, the provincial airport of Rzeszow located about 60 miles from the Ukrainian border has been so crowded with military cargo jets that on Saturday some flights were briefly diverted until airfield space became available. On the country’s highways, police vehicles are escorting military transport trucks to the border, with other convoys slipping into Ukraine via snow-covered back roads...
