A longtime US ally has kept a deadly insurgency at bay, helped by squadrons of American-supplied military aircraft.
When US foreign policy abruptly changes, the aircraft remain — but contractors, spare parts and badly needed software updates suddenly disappear. Within weeks, more than half the aircraft are grounded. Four months later, the capital falls to the rebels.
This was the reality for Afghanistan in 2021. After a US withdrawal disabled most of Kabul’s Black Hawk helicopters, the cascade effect was swift. “When the contractors pulled out, it was like we pulled all the sticks out of the Jenga pile and expected it to stay up,” one US commander told US government researchers that year.
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