Japan’s Gradual Shift Toward Space Security

Japan’s recent announcement that it is establishing its own military space unit has put its national security space efforts under the spotlight. What role will Japan play in the space domain?

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Japan's Gradual Shift Toward Space Security

Japanese policy decisions have pushed slowly and gradually toward space security since at least the 1980s. This slow ascent is reflected not just in the history of its security space activity but also in current debates within the Japanese space community. These debates center on incremental changes and focus less on whether Japan should shift its focus toward security and more on how far and fast this shift should take place. The potential that Japan could bring to space partnerships is enormous. This is an ally that has one of the biggest space budgets and is renowned for technological prowess—the country that brought us the bullet train. But the limitations should be understood too.

Space Policy Show Alert: Check out Episode 13 of the Space Policy Show where Sam Wilson and Frank Rose address the topic of this paper: the current spotlight on national security space efforts.  


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The Center for Space Policy and Strategy provides nonpartisan research and strategic analysis to decision-makers in the space enterprise.
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