from november 22 to december 6, 1965, phillips headed a tiger team investigating the causes of inadequate quality, schedule delays, and cost overruns in both the apollo csm and the saturn v second stage, for which north american was prime contractor. he gave an oral presentation (with transparencies) of his team's findings to his boss, nasa office of manned space flight administrator george e. mueller, and mueller's boss, nasa deputy director robert seamans, and also presented them in a letter to north american president lee atwood, to which mueller appended his own strongly worded letter to atwood.