The Commonwealth War Graves Commission (CWGC) is responsible for permanent cemeteries for all Commonwealth of Nations forces. There are 31 CWGC cemeteries on the Gallipoli peninsula: six at Helles (plus the only solitary grave, that of Lieutenant Colonel Charles Doughty-Wylie VC, Royal Welch Fusiliers), four at Suvla and For many of those killed or died on hospital ships and were buried at sea, there is no known grave; their names are recorded on one of five "memorials to the missing". The Lone Pine Memorial commemorates Australians killed in the Anzac sector, as well as New Zealanders with no known grave or who were buried at sea, while the Lone Pine, Hill 60 and Chunuk Bair memorials commemorate New Zealanders killed at Anzac. The Twelve Tree Copse Memorial commemorates the New Zealanders killed in the Helles sector, while British, Indian and Australian troops who died there are commemorated on the Helles Memorial at Cape Helles. British naval casualties who were lost or buried at sea are listed on memorials in the United Kingdom.