维基上对苏9拦截U2的记载。

It was reported that a Su-9 was involved in the interception of Francis Gary Powers' U-2 on Soviet territory on 1 May 1960. A newly manufactured Su-9 which was in transit flight happened to be near Powers' U-2. The Su-9 was unarmed and was directed to ram the U-2. One ramming attempt was made and the Su-9 missed the U-2, primarily due to large difference in the speed of the two planes. No further ramming attempt was made due to Su-9's lack of fuel. Its pilot, Captain Igor Mentyukov later claimed that his slipstream had caused the U-2 to break apart. He discounts the official version that the U-2 was shot down by an SA-2 missile, saying that Captain Powers could not have survived such a hit.