Monitors, usually equipped with 11" guns; Vietnam Monitors had M49 105mm howitzer guns.
The Merrimac and the Monitor Battle OR the Ironclad Battle
Wooden vessels plated with iron; there were fleets of them...not just one.
The ships in the Civil War were called the Ironclad.
Did you know that a Swedish engineer designed the Monitor, an ironclad ship in the Civil War? A+
Monitor
it was a ship made of metal
inconclusive
The Merrimac
The Union
Naval battle
The answer to that is the south.
The SOUTHERN ironclad ship was the Merrimac, which was also called the Virginia.