Alcora Exercise (Portuguese: Exercício Alcora, Afrikaans: Alcora Oefening) or simply Alcora was a secret military alliance between South Africa, Portugal and Rhodesia, formally in force between 1970 and 1974. The code name "Alcora" being an acronym for "Aliança Contra as Rebeliões em Africa" (Portuguese expression meaning: "Alliance against the rebellions in Africa"). Under Alcora, South Africa, Portugal and Rhodesia cooperated in the Angolan War of Independence, the Mozambican War of Independence, the South African Border War and the Rhodesian Bush War.