Sek Harbor is located off Alexishafen about eight miles north of Madang. Nearby is Sek Island, Admosin Island and Megas Island to the southeast. This protected harbor has a depth of 30 fathoms.
During 1943, used by the Japanese during the war to supply the Aleixshafen area. After the Australian Army occupied the area on April 26, 1944, the harbor was used by Allied boats, with shore facilities on the peninsula of Alexishafen Catholic Mission.
Allied units based at Alexishafen (Sek Harbor)
(US Army) 3rd ESB, 593rd
Boat & Shore Regiment, Company C attached to Australian
5th Division to support operations in the area April - May
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May 22, 2017