171024-N-ZD845-108 MUSCAT, Oman (Oct. 24, 2017) Rear Adm. Jeffrey A. Harley, president of the U.S. Naval War College (NWC) in Newport, R.I., responds to a question during an alumni presentation at NWC's 15th Regional Alumni Symposium in the Omani capital of Muscat. The two-day event, hosted in partnership with the Royal navy of Oman, brings together 82 NWC alumni and regional stakeholders from 14 nations to discuss common challenges in the region. (U.S. Navy photo by Daniel S. Marciniak/Released)