The ships were attacked several times on 11 and 12 November by Japanese aircraft from Rabaul staging through an air base at Buin, Bougainville, but most were unloaded without serious damage.
Fartygen attackerades flera gånger den 11 och 12 november av japanska flygplan från Rabaul genom en flygbas vid Buin, Bougainville, men de flesta kunde lossa av utan allvarliga skador.