Official issue : 12th quarterly status report from 04/1991 to 06/1991 on programmatic overview, relations with other programmes, Columbus technical baseline, manned elements, polar platform, ground segment and operations preparation, utilisation preparation, long-term programme office activities. As annexes: technical data sheets of Columbus, major milestones, cost at completion, contract authority, Hermes overall development schedule for phase 1, schedule for the development programme and manned elements and polar platform, space segment transition planning, ESA/NASA priority 1 issues

English, French

Textual