WASHINGTON (Reuters) – The United States military is studying the rate of munitions used in Russia’s war in Ukraine to ensure that the Pentagon is accurately calculating the weapons it would need in case of any future conflicts or operations, the top U.S. general said on Tuesday. Western officials have said that Russia has depleted a significant proportion of its precision-guided ammunition in its invasion of Ukraine and its industry cannot produce all kinds of ammunition and weapon systems due to Western sanctions. Ukraine, which is being armed by Western countries, is also using artillery an…