 The New Guinea Advanced Base was formed in Port Moresby in August 1942 , and sub bases were created at Milne Bay and Oro Bay . These became Advanced Sub Base A and Advanced Sub Base B respectively in April 1943 . Advanced Sub Base C was created on Goodenough Island in April 1943 , but was discontinued when the island was handed over to Sixth Army control in July . Meanwhile , Advanced Sub Base D was formed at Port Moresby in May . The sub bases became bases in August 1943 . Advanced Base E was formed at Lae and Advanced Base F at Finschhafen in November 1943 , followed by Bases G and H at Hollandia and Biak respectively . 
