Arsenal Machinist and Quality Control Inspector Steve Cusano, left, is guiding intern Murhey Zhang through an inspection of a howitzer bore. Zhang is a student at the University of Southern California.

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Keywords: air, america, archive, armed, army, arsenal, command, defence, force, forces, howitzer, intern, materiel, military, navy, reportage, service, serviceman, servicemen, soldier, states, tacom, united, usa, watervliet