sentences:  Backed by a swamp just 30 yards from the shoreline, and with just one exit trail unsuitable for vehicles, Tanahmerah Bay was quickly written off as a landing site; while the infantry already ashore pressed on to the Sentani plain the remainder of 24 Div was diverted to Humboldt Bay, which had by this time been secured.After four days under these conditions the two units had reached the western airfield and on 26 April it was secured.Meanwhile, at Humboldt Bay 41 Div.