This doctor who screencap contains
kapal selam, pigboat, sub, perahu u, sub u perahu, serangan kapal selam, kapal selam torpedo, and torpedo kapal selam.
There might also be
armada balistik kapal selam rudal, armada rudal balistik kapal selam, api, inferno, minisub, minisubmarine, and selam mini menancapkan.