Japan’s 2026 Defense White Paper, released Tuesday, warns that China is expanding its military footprint farther into the western Pacific and is improving its ability to sustain operations at greater distances. Multiple outlets report that the document highlights Beijing’s strengthening of capabilities that allow its forces to operate across wider maritime and airspace areas, including increased focus on aircraft carrier capacity. The white paper characterizes these developments as part of a broader trend in China’s pursuit of power projection beyond the First Island Chain. In response, Japan says it will strengthen its own defense posture. Reported measures include boosting monitoring and surveillance capabilities, enhancing strike-related capabilities, and expanding or improving ammunition production. The paper is described as being detailed, running to roughly 610 pages, and it serves as a core statement of Japan’s assessment of regional security conditions and planned responses. While the outlets differ slightly in emphasis—one focusing on the ability to sustain operations farther out, another on power projection beyond the First Island Chain—they align on the main thrust: Japan raises concerns about China’s growing operational reach and outlines corresponding defense improvements.