used to getting examinations -- getting examiner qualified in their -- therefore, i don't perceive, as admiral richardson said, that there's an element of "you have to get the highest grade." because we're constantly evaluating and self-assessing ourselves within this program. >> how many -- sorry -- if you've answered this, excuse me, but how many sailors have been decertified? and could you tell us a little more about how this came to light? you said one sailor had been encouraged to -- to join in. it sounded like a sort of group of people who were cheating and he came forward. did this not come to light because of the review that was ordered by the secdef in relation to the air force? >> it did not. we were, of course, you know, looking very hard at ourselves, as we always do. so i hope the theme that emerges here is that, you know, there is a climate of introspection, of looking for problems and solving them -- so we are constantly assessing ourselves. this did not come forward as a consequence of that ongoing thing. this was a sailor who, you know, has been fully trained from the moment he enters boot camp that integrity is a foundation of our navy's operations and -- including the naval nuclear propulsion progr