Germany is to supply Ukraine with multiple rocket launchers, a modern air defence system and a radar tracker to detect artillery, Chancellor Olaf Scholz told lawmakers on Wednesday, after delays that have earned the country widespread criticism. Germany plans to deliver four MARS II multiple rocket launchers to Ukraine from its military stocks, if possible by the end of June, in close coordination with the United States, dpa learned from government sources. The United States will train Ukrainian soldiers to use the systems. The Bundeswehr has been using the MARS II missile launchers, able to h…