160607-N-DC740-010 OAK HARBOR, Wash. (June 7, 2016) Cmdr. Mike O'Donnell, public works officer, Naval Facilities Engineering Command, right, briefs Capt. Geoff Moore, commanding officer, Naval Air Station Whidbey Island (NASWI), on current damage assessments in an emergency operations center in Mobile Tactical Operations Center Four during an earthquake and tsunami scenario of Citadel Rumble 2016 at NASWI. Citadel Rumble is an integrated disaster response and recovery exercise for shore-based commands to exercise and validate their emergency management plans. (U.S. Navy photo by Mass Communication Specialist 2nd Class John Hetherington/Released)