North Korea has issued a stern warning against Japan’s increasing military activities, accusing Tokyo of moving toward becoming a “war state” amid Japan’s efforts to strengthen its defense capabilities in the Pacific region.

Kim Yo Jong, the powerful sister of North Korean leader Kim Jong Un, made the remarks in a statement released by North Korean state media. She criticized Japan’s recent military developments, including the test-firing of Tomahawk long-range cruise missiles and participation in joint military exercises led by the United States in the Philippines. According to Kim, these actions demonstrate Washington’s backing of “dangerous military moves” in the region and signal Japan’s intent to acquire pre-emptive strike capabilities. Kim added that Pyongyang would respond by establishing additional military options to counter what it perceives as a growing threat from Japan.

Japan’s Ministry of Defence confirmed that the Tomahawk missile test conducted last week was the country’s first such trial. The move aligns with Tokyo’s broader strategy to bolster its armed forces amid rising regional security challenges posed by China, Russia, and North Korea. On Tuesday, Japan’s defence minister emphasized the need to accelerate military enhancements with a “sense of urgency and crisis,” as outlined in a recent government assessment highlighting these threats.

Japan’s shift marks a noticeable departure from its post-World War II pacifist stance, as the government has increased military spending and expanded defense partnerships. In 2025, Japan’s defense budget rose by nearly 10 percent to $62.2 billion, representing its highest proportion of GDP devoted to military expenditure since 1958. The country has also been deploying missile launchers on its outer islands to reinforce its defensive posture.

The historical context remains a sensitive backdrop to current tensions. North Korea’s statement referenced Japan’s colonial rule over Korea prior to its 1945 surrender, describing Japan as inheriting “genes of cunning and aggression” that could lead to destabilizing consequences if coupled with enhanced military capabilities. This legacy continues to influence the diplomatic and security dynamics of the Korean Peninsula and the broader East Asian region.

China has similarly expressed concerns over Japan’s military expansion, warning against what it terms a resurgence of “new militarism.” Japan, however, maintains that its actions are defensive, responding to evolving regional threats in a complex security environment.