White House national security adviser Jake Sullivan said Tuesday that U.S. troops are currently not involved in training Ukrainians amid its conflict with Russia. “We do not have U.S. troops on the territory of Ukraine. We do of course have U.S. troops defending NATO territory,” he told reporters at the White House, adding that “we do not have U.S. troops currently training Ukrainians.” But the United States, he added, has a “key role” in facilitating the transfer of military equipment provided by other NATO member states to Ukraine’s military. President Joe Biden will later announce joint action on enhancing European Union’s energy security and reducing the bloc’s dependence on Russian oil and natural gas, Sullivan continued. Biden is traveling to Brussels and Poland this week, said Sullivan, in a bid to press for unity among Western allies against Russia. He is scheduled to meet with Polish President Andrzej Duda as the …