(Editor's Note: This story has been corrected from an earlier version, which included inaccurate details on B-21 funding.) The Air Force's $156.3 billion fiscal year 2022 budget request calls for a reduction of 206 legacy aircraft, including the A-10, F-15, F-16, KC-135 and KC-10 tanker fleets. The proposed reductions would shift more than $1.3 billion away from legacy programs to fund a slew of modernization and prototyping efforts, including Next-Generation Air Dominance and F-35 Block 4, according to service...