104 It would hardly seem possible that the original expedition could be followed by supply ships at short regular intervals; nor could the Japanese risk being able to supplement their supplies of food and fuel from indigenous resources to any significant degree unless arrangements had previously been made accordingly, which would imperil secrecy. (b) Secrecy. The maintenance of secrecy over an expedition of about 150,000 tons is a totally different proposition from maintaining secrecy over a larger expedition.