During 1940, he transferred to the Savoia-Marchetti SM.79 and developed particular skill attacking shipping with torpedoes, initially in the Red Sea theatre and later over the Mediterranean Sea.[2] He was injured in action attacking Port Sudan in December 1940 but successfully piloted his aircraft home, for which he was awarded the Gold Medal of Military Valor.[3] On 13 October 1941, Graziani was involved in the attack on the battleships HMSBarham and HMSQueen Elizabeth, along with a fleet of four cruisers and twelve destroyers. He was also responsible for a night raid on shipping in the harbour at Philippeville which destroyed one ship and damaged another on 20 November 1942.[4]