Official issue : quarterly status report from 04/1989 to 06/1989 on programmatic aspects, technical milestones, management and programmatics milestones, overall cost review, relations with other programmes, space segment development, system baseline and external interfaces and coherence status, ground segment and operations preparation, utilisation preparation, utilisation hardware development, long term studies. As annexes: technical data sheets of Columbus attached laboratory, of Columbus free-flyer, polar platform with operations scenarios, master bar-chart of Columbus programme, main milestones and trend chart, cost-at-completion, geographical return, NASA space station Freedom programme controlled milestones, figure of Hermes overall development schedule, table of platform performances

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