context: Isakov broke away from teaching with the onset of the Winter War and entered active service; he coordinated not only the movement of naval warships in the Baltic Sea but also the ground forces of the Red Army in the Soviet war against Finland.
source: From 1941 to 1943 Isakov was the chief of the Main Maritime Staff.
reference_original: इसकोव 1941 से 1943 तक मेन मरीन स्टाफ के प्रमुख थे।
reference_flipped: इसकोव 1941 से 1943 तक मेन मरीन स्टाफ की प्रमुख थीं।