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NavSource Online:
Section Patrol Craft Photo Archive

Rockport (SP 738)
ex-Ajax (SP 738)

Call sign:
George - Sail - King - Tare

Call sign (1919):
Nan - Unit - Cast - Cast

Research/Patrol Boat:

  • The second Rockport was built in 1917 as Ajax by the Adams Ship Building Co., East Boothbay, ME
  • Acquired by the Navy 12 October 1917
  • Commissioned USS Ajax (SP 738), 16 February 1918
  • Renamed Rockport 20 February 1918
  • Decommissioned 18 February 1919
  • Sold 16 September 1919
  • Fate unknown.


  • Displacement 200 t.
  • Length 124' 7"
  • Beam 25'
  • Draft 11' 4½"
  • Speed 8 kts.
  • Complement 18
  • Armament: One 3-pounder
  • Propulsion: One 75hp 3-cylinder Fairbanks-Morse kerosene engine, one shaft.
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    DANFS history entry located on the Naval History and Heritage Command website
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    This page created by Joseph M. Radigan and maintained by David Wright
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