151201-N-SD965-092 ROTA, Spain (Dec. 1, 2015) From the right, Equipment Operator 3rd Class Richard Hall, from Sparta, Ill., is frocked by Chief Equipment Operator Gustavo Ramirez to third class petty officer during a Naval Mobile Construction Battalion (NMCB) 1 frocking ceremony on Naval Station Rota, Spain, Dec. 1, 2015. NMCB 1 promoted 21 Sailors to their newly appointed petty officer ranks with a traditional "tacking on crow" ceremony with a contemporary frocking ceremony in Rota, Spain. (U.S. Navy photo by Mass Communication Specialist 1st Class Brannon Deugan/RELEASED)