The Biden administration has had two overriding military goals in the Russia-Ukraine war: First, to deny Moscow victory against Kyiv, and second, to avoid direct U.S. involvement in the fighting. Through large-scale weapons transfers to Ukraine, Washington has so far achieved both objectives. But at the start of the war’s second year, a third strategic challenge looms: to simultaneously maintain U.S. military readiness in its priority theater of East Asia, as well as the Middle East.