161215-N-MB932-509 SAN DIEGO (Dec. 15, 2016) Petty Officer 3rd Class Grace Layugan attaches an Automated External Defibrillator (AED) to a dummy while instructing Sailors on how to properly apply Cardiopulmonary Resuscitation (CPR) aboard the aircraft carrier USS Theodore Roosevelt (CVN 71). Theodore Roosevelt is moored pierside at Naval Air Station North Island conducting a fast cruise exercise in preparation for upcoming sea trials. (U.S. Navy photo by Petty Officer 3rd Class Jimmi Lee Bruner/Released)