ARLINGTON, Va. (July 15, 2011) Rear Adm. Nevin Carr, Chief of Naval Research, delivers remarks during the 2010 Dr. Delores M. Etter Top Scientists and Engineers of the Year awards. The award was established to honor the Department of the Navy's scientists and engineers for superior technical achievements and to promote continued excellence. (U.S. Navy photo by John F. Williams/Released)