 Complete the following phrase:  On 3 September Potts had received orders from his superior in Port Morseby, Major General Arthur Tubby Allen, to hold Myola and gather for an offensive. However he considered the dry lake bed at Myola, surrounded by heights, as untenable. The following day, he signalled Allen, stating: Country unsuitable for defended localities. Regret necessity abandon Myola. No reserves for counter-attack. Potts destroyed all supplies at Myola and moved south to the next suitable feature, Brigade Hill. Potts had been pleading with Allen for some time to be given his third battalion, the 227th. MacArthur insisted they stay at Port Moresby until success was gained at 