Fathom Fathom A fathom is a unit of length in the imperial and the U.S. customary systems equal to , used especially for measuring the depth of water. There are two yards (6 feet) in an imperial fathom. Originally the span of a man's outstretched arms, the size of a fathom has varied slightly depending on whether it was defined as a thousandth of an (Admiralty) nautical mile or as a multiple of the imperial yard. Formerly, the term was used for any of several units of length varying around . The name derives from the Old English word "fæðm", cognate
Fathom (comics) identity of the Unknown and the reasons for his physical state. "Fathom" vol. 2 primarily focuses on the developments between the American government and the Blue. Volume 1 revealed that Admiral Maylander knew of the Blue's presence, and this series sees him take action against the underwater race. He does so by a sneak attack on the Blue city of Saba. Aspen, kidnapped by the Black, meets her father, Rahger, and learns that she is also part of the Black. The "Fathom: Cannon Hawke" mini-series ran parallel with the first few issues of "Fathom" vol. 2. They detailed Cannon's exile