Seen at Terminal 91 in Seattle, Washington.

Type: Fish Farm Support Vessel
Flag: USA
Hailing Port: Port Alexander, AK
Call Sign: WUT3894
Length: 34.00 meters
Beam: 7.90 meters
Tonnage: 199 GT
Year of Build: 1939
Builder: Mare Island Naval Shipyard, Vallejo, CA
Former Name:
BULL HARBOR
OLAJEAN
AFAC QUEEN
USS YG-21

According to the image here: http://www.navsource.org/archives/01/013908b.jpg this vessel was present during the attack on Pearl Harbor, meaning that the tug HOGA is not the only remaining US Navy vessel that was present during the attack.