USS Napa
තවම පරිවර්තනය කර නැත — ඉංග්රීසියෙන් පෙන්වයි.
USS Napa was a Casco class twin-screw light draft monitor built during the American Civil War for operation in the shallow inland waters of the Confederacy. These warships sacrificed armor plate for a shallow draft and were fitted with a ballast compartment designed to lower them in the water during battle.
