North Korea said it tested new missiles and warned of taking strong steps against trilateral military drills involving the U.S., South Korea, and Japan.

This escalation signals Pyongyang's growing hostility toward expanding security cooperation in the region. By linking missile tests to joint exercises, North Korea is attempting to frame its weapons development as a defensive necessity rather than an offensive provocation.

State media KCNA said the country would implement a new level of deterrence [1]. These statements were issued on March 20, 2026 [2], as a direct response to the deepening military ties between the three allies.

Pyongyang specifically referenced the U.S.-led RIMPAC naval exercises scheduled for 2026 [1]. The North Korean government views these trilateral drills as a threat to regional security, a move that justifies its own enhanced military capabilities.

While the specific technical details of the new missiles were not disclosed in the reports, the timing coincides with increased naval activity in the Pacific. The trilateral partnership between Washington, Seoul, and Tokyo has focused on creating a unified front to counter North Korean missile launches and nuclear ambitions.

North Korean officials said the state would respond with strong steps to maintain its security [1]. This pattern of testing weaponry during allied exercises has become a recurring feature of the peninsula's volatile security landscape.

The U.S. and its partners have consistently said that their joint drills are intended to maintain peace and stability in the Indo-Pacific region. However, Pyongyang continues to describe these activities as provocative acts of aggression.

North Korea said it tested new missiles and warned of taking strong steps.

The timing of these missile tests suggests North Korea is using the 2026 RIMPAC schedule as a catalyst to accelerate its own weapons timeline. By explicitly linking its deterrence strategy to the trilateral cooperation of the U.S., South Korea, and Japan, Pyongyang is signaling that any increase in allied cohesion will be met with a proportional increase in North Korean military readiness.