Poland  will buy mobile rocket launchers worth 414 million US Dollar from the United States, as Warsaw seeks closer ties with Washington amid concerns over a resurgent Russia. <br />''<br />''Polish Defence Minister Mariusz Blaszczak told journalists yesterday that the deal, due to be signed Wednesday, the 13th of February will significantly increase the Army's capacities and the delivery is expected by 2023.<br />''<br />''Made by US weapons giant Lockheed Martin, the HIMARS system can launch six guided rockets with a range of 70 kilometres or a single missile with a 300-kilometre range. In March last year, Warsaw already signed a  4.75 billion US Dollar contract to purchase a US-made Patriot anti-missile system.<br />''<br />''<span style="color: #222222;">Poland's right wing government has been pushing for the United States to open a permanent military base on its soil, where American troops are already stationed on a rotational basis as part of NATO operations.</span><br />