U.S. Navy Builder 1st Class Sergio S. Armas, with Naval Mobile Construction Battalion 3, inspects project log books to ensure Builder 3rd Class Micaela Tennant is keeping them up to date at Commander Fleet Activities Chinhae, South Korea, Aug. 27, 2013. NMCB-3 provides combatant commanders and Navy component commanders with combat-ready warfighters capable of general engineering, construction and limited combat engineering across the full range of military operations.