161130-N-AT895-140 ORLANDO, Fla. (Nov. 30, 2016) Chief of Naval Operations (CNO) Adm. John Richardson walks the exhibit floor at the Interservice/Industry Training, Simulation and Education Conference (I/ITSEC). I/ITSEC is the world's largest modeling and simulation event, brought together members from industry, academia, government and each military service. (U.S. Navy photo by Petty Officer 1st Class Nathan Laird/Released)