Afghanistan's armed forces are so short of combat-ready aircraft that, late last year, they began fitting machine guns and rockets to Russian-made Mi-17 transport helicopters, dubbed "flying tractors," to bolster their air power.
With new planes capable of engaging Taliban insurgents delayed by over two years, and NATO air missions backing up troops on the ground now at a minimum, the fledgling Afghan Air Force is scrambling to provide even basic support.
That is a worry for 350,000 police, soldiers and other security personnel fighting militants across the country and dying at a rate of around 100 every week in the heaviest fighting of a 13-year conflict.
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