180327-N-IO414-064 SASEBO, Japan (March 27, 2018) Sailors assigned to the Avenger-class mine countermeasures ship USS Chief (MCM 14) present life preservers to a Board of Inspection and Survey (INSURV) assessor. Chief is undergoing INSURV to examine the ship’s operational capabilities and readiness for future mine sweeping operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jordan Crouch/Released)