Observation balloons used near the Western Front.

German officers huts in the Vosges Mountains.

US Naval deck gun.

Loading shells aboard a US battleship.

HMS Britannia, shortly after being struck by a torpedo near Gilbraltar, Nov. 9, 1918.

Aerial view of the USS New York.

British sailors interned in Holland.

Fighting top of the USS New York.

Italian anti-aircraft gunboat.