The author has applied to the first IAO (International Announcement of Opportunity) for microgravity science on the subject of Combustion to use CIR (Combustion Integration Rack) developed by NASA. The present report describes the experience of the application focusing on the potential factor to affect the selection process, especially for the case to use foreign experimental module. The importance of domestic researchers' potential in the proposed research field as well as an international relationship to make proper research group has been emphasized.
