Mine countermeasures ships USS Pioneer (MCM 9) and USS Chief (MCM 14) are hauled into Fleet Activities Yokosuka naval base by an Eide Marine Services cargo ship. The ships stopped in Yokosuka, Japan June 26, 2014, on their way to Fleet Activities Sasebo where they conducted a hull swap with the mine countermeasures ships USS Avenger (MCM 1) and USS Defender (MCM 2).