High Quality Content by WIKIPEDIA articles! HMS Walney (Y04), launched in 1930 as USCGC Sebago, was a Banff class sloop. She was transferred to the Royal Navy in 1941 and lost in 1942 in Operation Reservist, an attack on Oran that formed part of Operation Torch. Her captain, Frederick Thornton Peters, received the Victoria Cross for gallantry during this operation.