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 deep into the pyramid, they find a star-shaped crystal. Using the crystal, the women escape and return to Okinawa. Kirkland and his ship are requested to salvage at a crash site, which turns out to be the site where Air Force One crashed after taking off from Guam. Meanwhile, David Spangler, a covert operations commander and an old acquaintance of Kirkland is ordered by his boss in CIA and the vice-president to secure the black boxes of the crashed plane. Spangler, turns out to be the brother of Kirkland's fiancee, who was killed during a botched space mission, and now