The Defense Department -- in a sign of confidence in the operational potential of its fledgling KC-46 tanker fleet, despite serious deficiencies -- is asking Congress to rescind statutory limitations on retiring older aircraft in fiscal years 2022 and 2023 to accelerate the Air Force's future force design and avoid $845 million in additional costs to extend the service life of aging KC-10A and KC-135s. The Pentagon, as part of a second batch of FY-22 legislative proposals transmitted to Congress...