Sentence:  Having had every opportunity to rebut the finding of the local board before both the hearing officer and the <WSD>appeal</WSD> board , petitioner cannot now claim that he was denied due process because he did not succeed . 
Meaning of the word marked with <WSD> tags:  (law) a legal proceeding in which the appellant resorts to a higher court for the purpose of obtaining a review of a lower court decision and a reversal of the lower court's judgment or the granting of a new trial