Since the winter of 1939–40, Bagramyan had been busy devising a battle plan that would counter threats from the western Ukraine, which was approved after numerous revisions on 10 May 1940.
Sejak musim dingin 1939–1940, Bagramyan sibuk merancang rencana pertempuran untuk melawan ancaman dari Ukraina barat, yang kemudian akhirnya disetujui setelah banyak mengalami revisi pada 10 Mei 1940.