On February 18, Sergey Chemezov, CEO of Russian defense contractor Rostec, revealed that a ship delivering S-400 missiles to China was damaged in a storm in the English Channel. The shipment was one of three total ships delivering the 40N6 interceptors to China, the other two successfully completing the delivery. Chemezov confirmed that all of the 40N6 missiles on board were discovered to be damaged after reaching China. The missiles were sent back to Russia and destroyed. Russia is expected to deliver replacement missiles to China by the end of 2020.