The use of space-based systems in military operations is increasing. Space-based services has gone from being mainly a tool for the intelligence community to be systems that supplies "space to the warfigther". The Swedish Armed Forces transformation towards a Network-Based Defence will probably lead to an increase in the demand for space-based services. If Sweden is to build military capability upon space based services, Sweden needs a strategy to secure access to space in times of crisis or war. This report gives a brief description of different actors who need access to space-based services and presents five different strategies on how to secure access to space. An overview of international space activities is presented to show what other nations do in the space arena and to illustrate that there are various possibilities to co-operate internationally and on different conditions.