180816-N-FI568-0003 PENSACOLA, Fla. (Aug. 16, 2018) Sailors attend a refresher course in Chinese Mandarin at the Center for Language, Regional Expertise and Culture’s language testing office onboard Naval Air Station Pensacola, Florida. Cryptologic technicians (interpretive), the Navy’s foreign language analysts, are required to attend annual refresher training in their assigned language. (U.S. Navy photo by Mass Communication Specialist 2nd Class Taylor L. Jackson/Released)