WASHINGTON D.C. - Chief Scientist at the National Ice Center Pablo Clemente Colon attended the 4th Symposium on the Impacts of an Ice-Diminishing Arctic on Naval and Maritime Operations at the Navy Memorial June 20, 2011. Papp and Lubchenco took questions from the media during a press conference as part of the event. U.S. Coast Guard photo by Petty Officer 2nd Class Patrick Kelley.