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From Earth to Uchū: The Evolution of Japan’s Space Security Policy and a Blueprint for Strengthening the U.S.-Japan Space Security Partnership

As Japan reckons with an increasingly tense security dynamic driven by growing Chinese and North Korean military activity and defense budgets, space capabilities are becoming integral to Japan’s national security. The U.S.-Japan security alliance continues to be at the core of both countries’ approaches to security and stability in the Indo-Pacific, with both seeking to […]

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From Earth to Uchū (Japanese translation) 地球から宇宙へ 日本の宇宙安全保障政策の変遷と日米宇宙安全保障の連携強化のための青写真

このレポートは、山本貴明氏の追加サポートを受けて、Google 翻訳を使用して翻訳されました。英語の原文はここからご覧いただけます。 This report has been translated using Google Translate, with additional support from Takaaki Yamamoto. The original English publication can be found here.

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Is There a Path to Counter Russia’s Space Weapons?

Why would Russia, the first nation to put a satellite and human into orbit, want to develop space weapons that could make parts of space unusable for up to a year? At first glance, it may be difficult to decipher Russian motivations. In 1939, British prime minister Winston Churchill famously observed that Russian decisionmaking was […]

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Space Threat Assessment 2023

This resource for policymakers and the public leverages open-source information to assess key developments in foreign counterspace weapons. Drawing on six years of collected data and analyses, this series describes trends in the development, testing, and use of counterspace weapons and enables readers to develop a deeper understanding of threats to U.S. national security interests in space. The past year was dominated by the Russian invasion of Ukraine, where space capabilities, including commercial satellites, played a highly visible and compelling role in Ukraine’s resistance to the invasion. Thus, this year’s featured analysis provides an in-depth look at Russia’s battlefield employment of counterspace weapons.

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Space Threat Assessment 2024

of Space Threat Assessment by the Aerospace Security Project at the Center for Strategic and International Studies (CSIS). For the last six years, CSIS has used open-source information to produce an annual assessment of threats to U.S. national security space systems posed by foreign government capabilities. Each report in this series catalogs yearly trends, uses, and advancements of counterspace weapons and enablers to […]

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The Evolution of French Space Security

In the last decade, there has been an international resurgence of focus on space for commercial, civil, and military activities. Space is now a critical domain for many nations around the globe, and both individual countries and multinational coalitions have recently released space policies and strategies. European nations have taken a greater interest in space […]

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