they called it back us. , commander jim stockdale was one of the folks that helped come up with this. he was one of the leaders of the pows. and so "back us" and of course you know tap code now so you know that there is no letter k. so baccus. b stood for don't bow them public. never let the world's cameras see an american fighter pilot bow in front of a captor. a stood for say off the air. unless they really work you over your not supposed to make any broadcast of any propaganda on the air. c was confess no crimes. the north vietnamese never called the american aviators anything other than a war criminal. from the second they landed they were a war criminal, war criminal, war criminal. commander stockdale wanted to make darn sure that our pows knew that they were not criminals, they were soldiers. they were never to confess to any crimes. , then c, is for don't kiss up and don't kiss them goodbye. so do not do any special favors. don't try to kiss up to these guys and whenever that was going -- and whenever you are going to go home and they didn't know what is was going to be. whenev