She returned to the Eastern Fleet in August 1940; like most of her sisters, she was then assigned to the Mediterranean Sea, departing the Far East in March 1941. Once in the Mediterranean, she was used to escort convoys as an A/A vessel of the 15th Cruiser Squadron for convoys from Alexandria to Greece (Operation Lustre). She became involved in Battle of Cape Matapan, as well as the first and second battles of Sirte.