“…In January 2004 the US Administration announced a redirection of NASA's human space‐flight activities away from Earth orbit and towards the Moon and Mars, with a manned return to the Moon possibly as early as 2018. This in turn has stimulated the development of a Global Space Exploration strategy, as other space‐faring nations have begun to assess how they could contribute to, and benefit from, an expanded programme of lunar exploration (see discussion by Ball and Crawford 2006).…”