it would have been a waste of time and energy to advertise so teddy contacted each of the twenty-six by phone , explained what we intended to do , and as this was now looking to be a serious enterprise he needed them to commit two weeks to learning to fly the hunter , and then perform a fairly complicated formation display with the other applicants , perfect and perform a solo display , plus have stringent medicals and a lengthy interview that included a fifteen minute presentation on how they would lead the new team .