North Korea's Weapons Tests: April 2026

A series of missile launches and warhead tests mark a significant escalation in Pyongyang's military capabilities, as diplomatic channels remain frozen.

"The cluster-bomb test is significant for boosting the high-density striking capability." — Kim Jong Un, via KCNA

Overview

North Korea has conducted a series of weapons tests over several weeks, involving ballistic missiles with cluster-bomb warheads, hypersonic weapons systems, and other projectiles. The tests occurred in multiple episodes, with South Korea, Japan, and the United States confirming the launches. North Korea has stated the tests are part of its efforts to expand its nuclear-capable forces.

Weapons Test Episodes

April 2026 Launches

North Korea launched multiple ballistic missiles from the Sinpo area on its east coast at approximately 6:10 a.m. local time. South Korea's Joint Chiefs of Staff reported the missiles flew approximately 140 kilometers (87 miles) and landed in waters off North Korea's east coast. Japan's Defense Ministry confirmed the launches and stated no missiles entered Japan's exclusive economic zone.

This was the fourth missile launch by North Korea in April 2026 and the seventh of the year. South Korea's National Security Council convened an emergency meeting and urged North Korea to cease launches. Japan stated it strongly protested, saying the launches violate U.N. Security Council resolutions. The U.S. Indo-Pacific Command confirmed the launches did not pose an immediate threat to U.S. personnel, territory, or allies.

Sinpo is an eastern coastal city with a major shipyard used for building submarines. South Korea's military is analyzing whether the launches were made from a submarine, land-based launcher, or both platforms.

North Korea launched a close-range ballistic missile from Jongju, a city near the country's west coast. The missile flew approximately 80 kilometers (50 miles) into the Yellow Sea. Other projectiles were also launched, though details were not specified by South Korean authorities. South Korean media reported that multiple rocket launch systems may have been used.

Cluster-Bomb Warhead Tests

North Korea's state media, KCNA, reported that tests involving cluster-bomb warheads occurred over multiple dates:

• Three-day test period commencing Monday (date unspecified): Tests included ballistic missiles equipped with cluster-bomb warheads mounted on Hwasong-11 ballistic missiles. KCNA stated these are short-range missiles with low-altitude, maneuverable flight characteristics similar to Russia's Iskander missiles. The tests also featured anti-aircraft weapons, electromagnetic weapon systems, and carbon-fiber bombs.

• Second test (date unspecified): Five upgraded Hwasong-11 Ra ballistic missiles were launched, equipped with cluster-bomb warheads and fragmentation mine warheads. KCNA reported the missiles struck an island target, and leader Kim Jong Un observed the launch from a coastal observation point.

South Korea's Joint Chiefs of Staff reported that missiles launched on Wednesday (of the three-day test period) traveled between 240 and 700 kilometers (150 to 434 miles) before landing in the sea. An additional projectile was detected on Tuesday near Pyongyang.

Treaty Status: More than 120 countries are signatories to an international treaty banning the use of cluster munitions. North Korea, Iran, Israel, and the United States are not among the signatories.

Hypersonic Missile Test

KCNA reported that Kim Jong Un observed test flights of hypersonic missiles. The agency stated the drill aimed to assess readiness and operational capabilities. The missiles reportedly impacted targets approximately 1,000 kilometers (621 miles) away in the sea east of North Korea.

Saturday Launch During U.S.-South Korea Military Drills

• North Korea launched approximately 10 ballistic missiles toward its eastern sea.
• The missiles were fired from the Sunan area, identified as the location of Pyongyang's international airport.
• The missiles flew approximately 350 kilometers (220 miles).
• Japanese Defense Minister Shinjiro Koizumi stated the weapons landed outside Japan's exclusive economic zone.

The launches coincided with the annual U.S.-South Korea joint military exercises (Freedom Shield and Warrior Shield), which involve thousands of troops and include computer simulations and field training.

Statements from North Korea

KCNA Reporting

• KCNA quoted Kim Jong Un as stating the cluster-bomb test was significant for boosting "the high-density striking capability."
• KCNA claimed the short-range missiles with cluster warheads "can reduce to ashes any target covering an area of 6.5-7 hectares (16 to 17.2 acres) with the highest-density power."
• Kim Jong Un stated the hypersonic missile tests confirmed the execution of a critical national defense technology task and emphasized continuous upgrade of military assets.

Diplomatic Statements

• First Vice Minister Jang Kum Chol of Pyongyang's Foreign Ministry released a statement asserting that South Korea would remain North Korea's "most hostile enemy state." He criticized Seoul's government for attempting to restart stalled dialogue.
• North Korea's Foreign Ministry issued a statement condemning a U.S. military operation that led to the ousting of Venezuelan leader Nicolás Maduro, characterizing it as a "serious encroachment of sovereignty."
• Kim Yo Jong, sister of leader Kim Jong Un, previously criticized U.S.-South Korea military drills, warning of consequences if North Korea's security were challenged.
• North Korea's Foreign Ministry has also issued statements condemning U.S.-Israeli actions against Iran and expressing support for Tehran's new supreme leader.

International Responses

South Korea

• The Joint Chiefs of Staff stated the military is analyzing the launches and sharing information with U.S. and Japanese counterparts.
• The military affirmed readiness to counter provocations, supported by its military alliance with the United States.
• South Korea's National Security Council held emergency meetings on multiple occasions.
• South Korean President Lee Jae Myung called for stronger military capabilities, emphasizing AI, drone technology, and potential acquisition of a nuclear-powered submarine.

Japan

• Defense Minister Shinjiro Koizumi confirmed launches and stated they threaten regional and international peace.
• Japan stated it strongly protested to North Korea, citing violations of U.N. Security Council resolutions.

United States

• The U.S. Indo-Pacific Command stated the launches did not pose an immediate threat to U.S. personnel, territory, or allies.
• The command reiterated commitment to the defense of the U.S. homeland and regional allies.

International Atomic Energy Agency

• IAEA Director General Rafael Grossi stated the agency has confirmed increased activities at nuclear facilities in North Korea, including "a rapid increase" in activities and probable addition of a new uranium enrichment facility. Grossi stated these activities point to "a very serious increase" in North Korea's nuclear weapons production capabilities.

Diplomatic Context

Inter-Korean Relations

North Korea has declined to re-engage in talks with South Korea and the U.S. since the collapse of denuclearization discussions between Kim Jong Un and U.S. President Donald Trump in 2019. North Korea has stated it does not intend to improve relations with South Korea.

Kim Yo Jong previously commended South Korean President Lee Jae Myung for his "honesty and courage" following his expression of regret over alleged civilian drone flights into North Korea, while reiterating a threat of retaliation for future flights. North Korea's First Vice Minister Jang clarified that Kim's statement was intended as a warning, not a diplomatic opening.

International Alignments

Kim Jong Un has sought stronger relationships with Russia and China. This includes:

• Providing military support for Russia's conflict in Ukraine, potentially in exchange for aid and military technology.
• Kim Jong Un's visit to Beijing in September for a military parade and summit with Chinese President Xi Jinping.
• Chinese Foreign Minister Wang Yi scheduled for a two-day visit to North Korea.
• At a summit in Beijing, Russian President Vladimir Putin and Chinese President Xi Jinping expressed opposition to "foreign policy isolation, economic sanctions, military pressure and other methods of creating threats to the security" of North Korea, according to the Kremlin.

Potential Diplomatic Developments

• Former U.S. President Donald Trump has expressed desire to resume talks with Kim Jong Un. Kim has indicated openness to dialogue with Trump but has stated that U.S. demands for North Korea's nuclear disarmament as a precondition must be dropped.
• South Korean President Lee Jae Myung has expressed interest in holding talks with Kim Jong Un.
• No publicly known plans for meetings exist.
• North Korea's ruling Workers' Party congress, the first in five years, is anticipated. Observers are monitoring for potential new policy directives regarding the U.S. and resumption of talks.

Timing with South Korean Presidential Trip

Multiple missile launches occurred hours before South Korean President Lee Jae Myung's departure for a four-day trip to China for a summit with President Xi Jinping. President Lee's office stated he would ask China to play a "constructive role" in promoting peace on the Korean Peninsula. North Korea's nuclear program was expected to be a topic of discussion.

Previous Weapons Development

• Last week (relative to April 19 launches), North Korea stated Kim Jong Un supervised missile tests from a destroyer. After those tests, Kim stated his government remained focused on the "limitless expansion" of its nuclear forces and issued unspecified new tasks to sharpen nuclear attack and rapid-response capabilities.
• Late March 2026: Kim Jong Un stated Pyongyang's status as a nuclear-armed state was irreversible and expanding a "self-defensive nuclear deterrent" was essential to national security.
• Earlier in the week (relative to cluster-bomb test reports): Kim Jong Un supervised a test of an upgraded solid-fuel engine for weapons. South Korea's intelligence agency informed lawmakers this test likely relates to efforts to develop a more powerful solid-fuel intercontinental ballistic missile capable of carrying multiple nuclear warheads.
• North Korea has released photos showing progress in the construction of its first nuclear-powered submarine.
• North Korea has test-fired what it described as long-range strategic cruise missiles and new anti-air missiles.

Bottom Line: North Korea continues to advance its weapons capabilities across multiple domains—ballistic missiles, hypersonics, cluster munitions, and naval platforms—while rejecting diplomatic engagement. The international community, including the U.S., South Korea, Japan, and the IAEA, has responded with condemnation and concern, but negotiations remain at an impasse.