190417-N-MJ716-196 NAVAL BASE SAN DIEGO (April 17, 2019) Security force Sailors assigned to Naval Base San Diego respond to a simulated active shooter during a drill for the base’s final evaluation problem (FEP). FEP is a Commander, Naval Installations Command tri-annual certification event assessing the command, control, communications and Navy Security Force on all U.S. Navy installations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Austin Haist/Released)