Running Afghanistan's Air Force will cost $13.2 billion through fiscal year 2023, largely due to a $10 billion modernization effort that will grow its inventory to more than 300 aircraft, according to the Pentagon's biannual report to Congress on the embattled country's military progress. The December report concludes the AAF has matured enough to sufficiently complete its own mission sets, but not to meet the Afghan National Army's growing need for air support. Bringing on new pilots and maintainers for...