african astronauts    african space program    african space program of 60s    afronaut    afronauts space program    afronauts zambia    backyard space program    d-kalu 1    edward makuka    edward makuka nkoloso    edward makuka space program    makuka of zambia    makuka space program    space program of zambia    space race    space race of 60s    zambia in space race    zambia space program    zambia space race    zambian space program    zambias forgotten space program 1964