Gary Roughead
Gary Roughead ( "rough head"; born July 15 , 1951 ) is a former United States Navy officer who served as the 29th Chief of Naval Operations from September 29 , 2007 to September 22 , 2011 . 
<triplet> Gary Roughead <subj> United States Navy <obj> military branch <subj> Chief of Naval Operations <obj> position held <triplet> Chief of Naval Operations <subj> United States Navy <obj> military branch