The Russian Ministry of Defence announced the exercise on Thursday (26 Sep) which saw battleships engaging an unspecified mock enemy.
The so-called Beibu/Interaction 2024 was centred in the Sea of Okhotsk in the western Pacific Ocean.
A joint ship detachment of Russia’s Pacific Fleet and People’s Liberation Army Navy were said to have practiced sailing in formation, performing air defence tasks and fighting off hostile drones.
The Russian Ministry of Defence said: “According to the drills’ plans, the Russian-Chinese ship detachment anchored off the coast of the Sakhalin Island, where the ships secured and defended the detachment on an unsafe roadstead.
“The crews also performed anti-submarine tasks and repelled an attack of the mock enemy’s uncrewed surface vehicle group.
“Ka-27 ship-borne helicopters and Il-38 anti-submarine aircraft of the Pacific Fleet Naval Aviation acted as a mock enemy aircraft.”
The joint ship detachment had left Vladivostok on 21 September. A statement said the ships were to perform artillery live fires and a number of combat exercises using anti-aircraft and anti-submarine weapons.
The destroyers Xining and Wuxi, the frigate Linyi, and replenishment ship Taihu were involved in the drills from the Chinese PLA Navy.