China, Russia, Mongolia to Launch Second Joint Border Defense Exercise
On.cc · 2 SOURCESabout 2 hours ago2 MIN

Summary
China, Russia, and Mongolia will conduct the Border Cooperation-2026 joint exercise in early September, focusing on preventing and combating reconnaissance and sabotage activities in border regions. This marks the second time the three nations have organized such joint training, following last year's inaugural exercise in September. The drill aims to deepen strategic mutual trust and enhance regional security cooperation.
Key Points
- The Border Cooperation-2026 exercise will be held in early September, announced by China's Ministry of National Defense on September 1
- Training scenarios include joint planning, joint search operations, joint strike and capture missions, and joint handover procedures
- This is the second joint exercise in the Border Cooperation series, with the first held on September 8-9, 2025
- The inaugural exercise focused on joint prevention and combating terrorism and sabotage activities in border regions
- The exercises aim to consolidate strategic mutual trust, deepen border cooperation, and maintain regional security and stability
Why It Matters
The Border Cooperation-2026 exercise demonstrates deepening security ties among China, Russia, and Mongolia at a time of evolving regional dynamics in Northeast Asia. For Hong Kong, this trilateral defense cooperation signals the broader geopolitical realignments that could affect global trade routes and regional stability in which Hong Kong serves as a key financial hub .
The Border Cooperation-2026 exercise demonstrates deepening security ties among China, Russia, and Mongolia at a time of evolving regional dynamics in Northeast Asia. For Hong Kong, this trilateral defense cooperation signals the broader geopolitical realignments that could affect global trade routes and regional stability in which Hong Kong serves as a key financial hub .