Executive Summary

I. Introduction

II. The Relationship Between Space-Based Information and Maritime Security

1. Space-Based Intelligent Maritime Domain Awareness (MDA)

2. AI-Based Large-Scale Maritime Domain Awareness Platforms

3. The Convergence of Maritime Security and Space Security

III. Maritime–Space Security Cooperation in the ROK-U.S. Alliance

1. ROK-U.S. Information Cooperation Linking Maritime Domain Awareness (MDA) and Space Situational Awareness (SSA)

2. South Korea’s Participation in the U.S.-Led Civil-Military Space Information Fusion System

3. Strengthening Combined ROK-U.S. Space Operations and MDA Capabilities

IV. South Korea’s West Sea–Indo-Pacific Integrated Maritime Security Strategy

1. Reframing the West Sea and Integrating It to the Indo-Pacific Strategy

2. Building a Rules-Based West Sea–Indo-Pacific Maritime Order and Advancing Space Cooperation

3. South Korea’s Indo-Pacific Maritime–Space Cooperation Agenda

Ⅴ. Conclusion