In 1940, after Estonia's annexation by the USSR, the submarine ‘Lembit,’ built in England, became part of the Soviet Navy. This submarine, commanded by Captain Alexei Mikhailovich Matiyasevich, was destined to endure a difficult combat journey. It broke through enemy fairways through minefields, crept along the seabed under a hail of German depth charges that exploded almost right next to its...