At the beginning of May 1945 he was sent to the Pacific Fleet in Vladivostok as part of the team. He joined the commission established to receive new ships manufactured in the United States and sent to support the USSR. Here, after completing the task, the navigator was assigned to the minesweeper. He participated in military operations against Japan in August–September 1945. He served on minesweepers ships serving in the defense of South Sakhalin and Kuril Islands. He participated in the anti-mine defense of Port Arthur of the Kuril Islands and in mine clearance operations in the Seas of Okhotsk and Japan, as well as in the Laperuz and Tatar Straits. Gasimbayov, who served as navigator on minesweeper No. 604, was awarded with the Order of the Red Star for his service under heavy artillery fire and attack by Japanese aircraft.
