Ukrainian President Volodymyr Zelensky has thanked the US for intensifying its military assistance with the upcoming deliveries of more rocket launchers, vehicles and drones, which could prove key as Kiev fights to regain territory in the south. “Thank you President Biden for the new defence aid package for Ukraine. Critically important, powerful arms will save our soldiers’ lives, speed up the liberation of our land from the Russian aggressor. I appreciate the strategic friendship between our nations. Together to victory!” Zelensky tweeted on Saturday. The White House announced on Friday addi…