 Amongst its leading members were servicemen such as Joe Slovo, Lionel Bernstein, Wolfie Kodesh, Jack Hodgson and Fred Carneson who all later joined the African National Congress and its military wing Umkhonto we Sizwe under the command of Nelson Mandela.Others such as Harry Schwarz, a later well-known anti-apartheid political leader, lawyer and ambassador to the United States during the government of national unity was one of the organisation's founders.Another member was General Kennie van der Spuy, one of the founding members of the South African Air Force who fought in both World War I and World War II and was captured and imprisoned in the Kremlin by the Russians after fighting alongside the White Russian forces against the communists and held until 1920.