A sabot tank penetrator round separating in flight Photo: U.S. Department Of Defense (Courtesy Image) After U.S. President Joe Biden told his Ukrainian counterpart, Volodymyr Zelenskiy, on September 21 that a new shipment of arms would arrive in Ukraine "next week," Zelenskiy replied that the package has "exactly what our soldiers need now." Headlining the new delivery is the first shipment of U.S.-made Abrams tanks, which will presumably arrive with their controversial ammunition of 120 mm depleted uranium rounds. width =65%> An M1A1 Abrams tank fires its 120 mm cannon at a training ground in California. Depleted uranium (DU) is...