Master Chief Petty Officer of the Coast Guard Michael P. Leavitt visits Master Chief Petty Officers Rodney Storle (left) and Penny Koons (right) during their final day at the National Defense University's Keystone Course in Washington, D.C., Jan. 18, 2013. The Keystone Course will educate Command Senior Enlisted Leaders (CSELs) currently serving in or slated to serve in a general or flag officer level joint headquarters or Service headquarters that could be assigned as a joint task force. Coast Guard photo by Chief Petty Officer CC Clayton.