Finally on 18 September the Soviets allowed a USAAF flight of 107 B-17 Flying Fortresses of the Eighth Air Force 's 3rd Division to re-fuel and reload at Soviet airfields used in Operation `` Frantic '' , but it was too little too late .
Finally on 18 September the Soviets allowed a USAAF flight of 107 B-17 Flying Fortresses of the Eighth Air Force 's 3rd Division to land at Soviet airfields used in Operation `` Frantic '' , but it was too late to help the insurgents .