The Army’s top general says military forces on the ground face a high level of risk if the United States gets into a large-scale conflict against a power such as Russia or China. Testifying Wednesday on Capitol Hill, Army Chief of Staff Gen. Mark Milley ... a “great power war” against one or two of four countries – China, Russia, Iran and North Korea – .. the Army’s readiness is not at a level that is appropriate for what the American people expect to defend them.