"611" . "Zulu V class" . . "B-67" . "90.0" . . "V611, 611AV" . "7.5" . "Project 611" . . "Zulu class" . "Zulu-class submarine" . . . . "Project 611 submarines" . "a Zulu-class submarine" . . . "Project AB611-type" . . . "Zulu (611) class" . . . . "Zulu" . "Zulu IV class - SSB conversion" . . "Zulu V" . . "B-62" . "Zulu-class submarine" .