This doctor who screencap contains
submarino, pigboat, sub, barco u, bote, u, u-boat, submarino de ataque, and torpedo submarino.
There might also be
frota de submarinos de mísseis balísticos, submarino míssil balístico frota, frota de mísseis balísticos submarino, fogo, chamas, inferno, minisub, minisubmarine, minisubmarino, and dirigível.