 Complete the following phrase:  The attack was successful, driving the Japanese off the position on 28 December 1943; Australian losses during the main assault were low, with only three men killed and eight wounded. Japanese casualties reported by the Australians amounted to 28 killed. Australian troops held the Pimple against further counter-attacks and shelling, during which the 216th suffered further casualties. In mid-January 1944 further attacks were followed up against the main Japanese positions during the Battle of Shaggy Ridge. The capture of Shaggy Ridge was followed by the pursuit of the Japanese forces that withdrew towards Bogadjim on the north coast. From there, the Australians linked up with US and Australian forces that had advanced from Saidor as part of the drive along the coast from the Huon Peninsula. A further Japanese withdrawal occurred towards Madang and then Aitape. Madang was captured by Australian forces in late April 1944, while US forces 