GULF OF THAILAND (June 7, 2019) - The Avenger-class mine countermeasures ship USS Pioneer (MCM 9) observes a controlled mine detonation while conducting a joint mine countermeasures exercise with the Royal Thai Navy during Cooperation Afloat Readiness and Training (CARAT) Thailand 2019.(U.S. Navy photo by Mass Communications Specialist 2nd Class Corbin Shea)