Second Sino-Japanese War The Invasion of the Kuril Islands (Russian: Курильская десантная операция, lit.

Initial reconnaissance was undertaken on 18 August by a detachment of the 113th Separate Rifle Brigade (Captain-Lieutenant G. I. Brunshtein), carried by two mine trawlers (ТЩ-589 and ТЩ-590) to Rubetzu Bay on Iturup island.

[7] From 22 to 28 August, troops of the Kamchatka Defense Area occupied the Kuril Islands from Urup north.

On 1 September, elements of the 87th Rifle Corps were landed by torpedo boats, mine trawlers and transports (departing from Otomari) on Kunashir and Shikotan in the southern Kuril Islands.

On 4 September, 87th Rifle Corps occupied five smaller islands (Sibotzu, Taraku-Shima, Uri-Shima, Akiuri, and Suiseto).