Keywords: Flickr - Official U.S. Navy Imagery - The CNO exchanges challenge coins..jpg DUBLIN Sep 1 2012 Chief of Naval Operations CNO Adm Jonathan Greenert exchanges challenge coins with a U S Naval Academy Midshipman during the Notre Dame versus Navy NCAA Emerald Isle Classic college football season opener U S Navy photo by Mass Communication Specialist 1st Class Peter D Lawlor/Released 120901-N-WL435-803 Join the conversation http //www facebook com/USNavy www facebook com/USNavy http //www twitter com/USNavy www twitter com/USNavy http //navylive dodlive mil navylive dodlive mil http //www flickr com/photos/usnavy/7929352690/ The CNO exchanges challenge coins 2012-09-01 11 49 http //www flickr com/people/56594044 N06 Official Navy Page from United States of America MC1 SW/EXW Peter D Lawlor/U S Navy U S Navy photo PD-USGov-Military-Navy Official U S Navy Imagery http //flickr com/photos/56594044 N06/7929352690 2012-11-12 10 58 35 cc-by-2 0 Jonathan W Greenert Handshakes involving the military |