1970年 —宣布铀富集计划; 1971年 —批准以与和平利用核爆炸有关的枪式装置为基础的研究与开发计划; 1973年 —研究锂同位素的分离方法; 1974年 —南非总理批准有限的发展核武器威慑能力的计划; —铀富集中试厂第一期工程投产; 1970 - Uranium enrichment plan announced; 1971 - Ratification of research and development programs based on gun-type devices associated with the peaceful exploitation of nuclear explosions; 1973 - Methods for the separation of lithium isotopes; 1974 - Approval by the Prime Minister of South Africa Limited Plans for the development of a deterrent capability of nuclear weapons; - The first phase of the uranium enrichment pilot plant commenced operation;