Concerned about potential capability and capacity gaps prior to fielding the Air Force's next-generation B-21 bomber, Senate authorizers want an update on modernization plans for the B-52 and B-2 fleets. In its mark of fiscal year 2019 defense policy legislation, the Senate Armed Services Committee calls for reports from the Air Force on its plans to modernize and sustain the B-52 and B-2 fleets as the service begins fielding the B-21 in the 2020s. Specifically for the B-52, lawmakers want...