Fathom was upset and rose to the surface. A "shot", one of the forged lengths of chain joined by shackles to form an anchor cable, was usually 15 fathoms long (). A "shackle", a length of cable or chain equal to 12.5 fathoms or 75 feet. In 1949, the British navy redefined the shackle to be 15 fathoms. In Finland, fathom ("syli") is sometimes, albeit seldom, used as a maritime unit, of a nautical mile and of cable length. It is customary, when burying the dead, to bury the coffin at least to a depth of a fathom, or "six feet
Deep Fathom escape and Kirkland is found by the Deep Fathom's crew who are still alive because they defused the bomb and sent out a false message to trick Spangler. Kirkland decides to rescue Karen and when he arrives on Spangler's ship he is fought off by Spangler and his men. Kirkland's team finds out that soon the world is going to be destroyed when a new solar flare hits the pillar by the crash site of Air Force One. Karen is taken to an underwater research base by the pillar where she is kept as prisoner. When she can send them