Wayne.B wrote:
It was built in secrecy to recover a sunken Russian submarine.

http://gcaptain.com/drillship-built-as-cia-spy-ship-to-raise-soviet-sub-falls-victim-to-oil-crash/#.VfRqMpcuM5t

Neat ship. Used to fish next to the Glomar for sturgeon. The buoys are
still there and the area of the mothball fleet is still referred to as the
Glomar. Most of the Susuin mothball fleet is gone now.