This ncis screencap contains
frota de submarinos de mísseis balísticos, submarino míssil balístico frota, frota de mísseis balísticos submarino, submarino de ataque, submarino, pigboat, sub, barco u, bote, u, and u-boat.
There might also be
minisub, minisubmarine, minisubmarino, dirigível, batiscafo, bathyscaphe, bathyscaph, and bathyscape.