Joint Sea-2025 Excercise

Context: China–Russia Naval Drills: "Joint Sea-2025"

Date: August 3, 2025
Location: Sea of Japan (near Vladivostok, Russia)
Duration: 3 days

Overview

• The annual "Joint Sea" exercises are part of deepening military cooperation between China and Russia.

• Aim to project power, enhance interoperability, and signal strategic alignment against perceived threats, especially the US-led alliances in the Indo-Pacific.

Geostrategic Context

• Sea of Japan:

  • Close to disputed maritime zones and key US allies (Japan, South Korea)

  • Proximity to sensitive military bases, including US Forces Japan (USFJ)

• Vladivostok:

  • Russia’s main Pacific naval base

  • Historically significant location for Sino-Russian naval synergy