Cats once served as vital members of the US Navy. Old photos show these forgotten service felines.
Cpl. Edward Burckhardt poses with a rescued a kitten that he named Suribachi Sue.Courtesy of US Naval Institute.
- Seafaring cats have been a staple of culture dating back to ancient Egypt.
- Scot Christenson, author of "Cats in the Navy," spoke to Insider about these forgotten felines.
- The animals served vital roles as pest control on boats and friend to the world's sailors.
As long as humans have been sailing the seas, cats have been by their side.
A US Navy officer pets a boat cat.Courtesy of Scot Christenson