American coastal defences are prepared. Large artillery emplacements made ready.
Unused / unissued material - dates unclear or unknown.
United States of America (USA).
Various shots of American coastal defences. Large artillery guns point out to sea. (Snow is on the ground suggesting Winter). Various shots of camouflaged gun emplacements looking out over the ocean. Soldiers prepare guns for action.
Night views of soldiers training with guns and spotlights.