In the time of outbreak of the short April War in 1941, Sergej Mašera was a lieutenant on "Destroyer Zagreb" stationed in Dobrota (Bay of Kotor), the first officer in charge of the ship's artillery.
Sergej Mašera was a lieutenant on "Destroyer Zagreb" stationed in Dobrota (Bay of Kotor). This was in the time of outbreak of the short April War in 1941. Dobrota (Bay of Kotor) was the first officer in charge of the ship's artillery.