The U.S. Army and its NATO allies are rapidly aligning resources to develop a new " Eastern Flank Deterrence Line " aimed at developing combat capabilities that can measure up to possible Russian attacks, according to service commanders in Europe. U.S. Army Europe and Africa commander Gen. Christopher Donahue “wants to go fast on this,” Lt. Gen. Charles Costanza, the Army’s V Corps commander, told Defense News in a recent interview. “How can you get the capabilities that are available now, get