Airman 1st Class Derrek Martinez, 374th Medical Group biomedical repair technician, performs a regular inspection on an electro cardiogram machine, Feb. 14, 2018, at Yokota Air Base, Japan. The MERC inventories, installs, inspects, repairs, and calibrates necessary equipment from dental chairs and vital monitors to critical machinery such as X-Ray and surgical equipment. ( Air Force

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Keywords: 374th, air, airlift, america, armed, army, base, defence, employee, federal, force, forces, government, japan, military, navy, service, serviceman, servicemen, states, united, usa, wing, yokota