Russia and China hold "Joint Sea 2015" maritime exercises in Russia’s Far Eastern Primorsky Territory, Russian military officials said on Wednesday.
The joint exercise, which started on June 8 and will end on June 11 and will include troop landing practices and reconnaissance missions.
China has recently conducted another maritime exercises in the Western Pasific, near Taiwan and the Philippines. China’s military said the drills were routine annual exercises to test battle strategies, not a targeted display aimed at any specific country or region.
Chinese warships and aircraft on Wednesday passed through the Bashi Channel as Beijing's increasingly assertive territorial claims in the East and South China Sea have raised tensions in the region and Washington.
Japan and the Philippines also plan to hold a joint maritime drill later this month near the South China Sea, local media sources reported.
China claims almost 90 percent of the South China Sea. The Philippines, Vietnam, Malaysia, Taiwan and Brunei have rival claims to the area. China also claims Taiwan as its own and has never renounced the use of force to gain control.
Control of the South China Sea would allow China to dominate a major trade route through which most of its imported oil flows. The disputed waters are also important because they believed to contain massive oil and natural gas reserves.
Island building in the South China Sea was started by Vietnam and the Philippines, but China has been increasing its building activity, constructing more new artificial islands than all other nations in last two years.