. "5 submarines" . "Soviet failure" . . . . "29 submarines" . "1 merchant sunk" . . . . . "Germany" . "1 submarine sunk" . . . . . "3-7 other vessels sunk by mines, 2 damaged" . "Soviet Baltic Sea submarine campaign in 1941" . "Soviet Baltic Sea submarine campaign in 1941" . . "Soviet Union" . . "1941-06-22" .