Description: Sea Shadow is a test craft developed under a combined program by the Advanced Research Projects Agency (ARPA), the Navy, and Lockheed Martin Missiles and Space Company.





History: The Sea Shadow program was begun in the mid-1980s. Its purpose is to explore a variety of new technologies for surface ships, including ship control, structures, automation for reduced manning, seakeeping and signature control.





General Characteristics, Sea Shadow



Power Plant:

Diesel electric





Length, Overall:

164 feet (49.99 meters)





Beam:

68 feet (20.73 meters)







Draft:

14.5 feet (4.42 meters)







Displacement:

560 long tons (568.99 metric tons) full load





Crew:

10