220830-N-UQ872-1003 PORT HUENEME, Calif. (August 30, 2022) Ensign Alejandro Trevino, a student in the Civil Engineer Corps Officers School (CECOS) Basic Class 273, participates in a security halt while conducting a patrol during a during five-day CECOS field training exercise at Naval Base Ventura County. (U.S. Navy Photo by Daniel Davenport)