. . . . . . "Naval Academy" . "Nikola Vaptsarov Naval Academy" . . . "Naval Machinery School" . . "\"Nikola Vaptsarov\" Naval Academy" . . "Nikola Vaptsarov Naval Academy-Varna" . . . . . . "Nikola Vaptsarov Naval Academy" . "Nikola Vaptsarov Naval Academy-Varna (Bulgaria)" . "Filii maris sumus" . . "We are children of the sea" . . . . . "\\\"Nikola Vaptsarov\\\" Naval Academy" . . . "People's Higher Naval School" . . . . "Machine School for the Navy" .