Late on 6 May or early on 7 May , `` Kamikawa Maru '' set up a seaplane base in the Deboyne Islands in order to help provide air support for the invasion forces as they approached Port Moresby .
Late on 6 May or early on 7 May , `` Kamikawa Maru '' set up a seaplane base in the Deboyne Islands to help the invasion forces as they approached Port Moresby .