SIGNALDefence Tech·Jun 10, 2026, 8:31 AMSignal75Short term

Japan And South Korea Resume SAREX After Nine-Year Hiatus

Source: Naval News

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Japan And South Korea Resume SAREX After Nine-Year Hiatus

The Japan Maritime Self-Defense Force (JMSDF) and the Republic of Korea Navy (ROKN) conducted a bilateral Search and Rescue Exercise (SAREX) west of Japan’s Goto Islands on June 7, marking the first such drill between the two navies since 2017. The exercise involved the Kongo-class Aegis destroyer JS Kongo (DDG-173) and an SH-60K helicopter on ... The post Japan And South Korea Resume SAREX After Nine-Year Hiatus appeared first on Naval News .

Why this matters
Why now

Amidst increasing regional tensions, particularly from China and North Korea, Japan and South Korea are restarting defence cooperation to enhance collective security and de-escalate past diplomatic frictions.

Why it’s important

This resumption of joint military exercises between two key US allies signals a thawing of historical animosities and a potential strengthening of trilateral security cooperation in East Asia.

What changes

The nine-year hiatus in bilateral SAREX drills is over, indicating a renewed pragmatic approach to regional security by both nations.

Winners
  • · Japan
  • · South Korea
  • · United States Indo-Pacific Command
  • · Regional Stability
Losers
  • · China
  • · North Korea
Second-order effects
Direct

Increased interoperability and trust between the JMSDF and ROK Navy.

Second

Potential for broader and more complex joint military exercises, including with the US.

Third

Enhanced collective deterrence against regional threats and a more integrated East Asian security architecture.

Editorial confidence: 90 / 100 · Structural impact: 55 / 100
Original report

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