 However, the main body of Rowell's staff did not arrive until 17 August.Rowell turned down a suggestion from Blamey that he needed additional base staff to cope with his administrative problems, given that a corps headquarters was a tactical headquarters, intended to operate as part of an army, with the latter handling most of the administrative work.Rowell's staff gradually discovered how enormous the task before them was; they had few maps, the only transport aircraft were destroyed in a Japanese raid, and the supplies that had been forwarded by air to Kokoda could not be located.