On October 14, 2026, North Korea test-fired two types of submarine-launched strategic cruise missiles into its eastern waters to evaluate underwater combat readiness and nuclear deterrence posture. The tests follow a September 21 landmine explosion in the Demilitarised Zone that injured three South Korean soldiers, sparking tit-for-tat hypersonic missile demonstrations. Leader Kim Jong Un continues expanding military capabilities while rejecting U.S. and South Korean diplomatic outreach.
North Korea tests submarine-launched cruise missiles
- ▪North Korea test-fired two types of strategic cruise missiles designed to be launched from submarines into its eastern waters on October 14, 2026
- ▪Hong Min of the Korea Institute for National Unification stated that launching submarine missiles at both vertical and angled trajectories allows for steeper climb or lower altitude flight to evade missile defenses
- ▪Senior North Korean military officers observed North Korea's October 14, 2026 submarine-launched cruise missile tests, which state media reported had no adverse security impact on neighboring countries
- ▪State media KCNA reported North Korea's October 14, 2026 submarine-launched cruise missile tests aimed to assess the readiness of North Korea's underwater combat systems and demonstrate its nuclear war deterrent capabilities
- ▪North Korean state media photographs from North Korea's October 14, 2026 submarine-launched cruise missile tests showed one cruise missile launching vertically from the sea and another launching at a 45-degree angle
Submarine development program
- ▪North Korea has pushed to develop modern missile submarines, though it is not yet believed to have deployed a fully operational modern missile submarine
- ▪North Korea has test-launched strategic ballistic and cruise missiles from various platforms, including an aging submarine
Border landmine explosion
- ▪Both North and South Korea tested upgraded missile technology in the aftermath of the September 21, 2026 landmine explosion in the Demilitarised Zone (DMZ)
- ▪Tensions on the Korean peninsula escalated following a September 21, 2026 landmine explosion in the South Korean-controlled area of the Demilitarised Zone that injured three South Korean soldiers
North and South Korea test hypersonic missiles
- ▪North Korea tested various hypersonic missile systems on September 20 and October 3, 2026, aimed at advancing weapons designed to overwhelm missile defenses in South Korea and Japan
- ▪South Korea test-fired its first homegrown hypersonic missile in October 2026, days after North Korea launched an artificial intelligence-assisted intermediate-range hypersonic missile
North Korea sets conditions for diplomacy
- ▪North Korean leader Kim Jong Un has halted cooperation with South Korea, designating it a permanent enemy, while rejecting U.S. calls to resume diplomacy that stalled in 2019
- ▪The North Korean government has demanded that Washington abandon its hostile policy and drop denuclearization preconditions before resuming diplomatic talks
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