The USS Monitor, built in 1862, is more famous, being the first ship mounted with only a turret to take part in battle.

The film shows that, during the war, the Union built its own ironclad, the USS Monitor.

An American Civil War veteran, he named it after the USS Monitor.

Video of model vibrating-lever engine of USS Monitor, www.youtube.com.

Only the timely entry of the new Union ironclad USS Monitor forestalled the threat.

The arrival of the USS Monitor on the following day resulted in the "world's first battle between ironclads".

He never did get to command the Virginia against the USS Monitor.

Before the first balloon could be used, it was captured by the crew of the USS Monitor during transportation on the James River.

The USS Monitor became the prototype for the monitor warship type.

The first rotating gun turret was adopted on the USS Monitor, which was a military technology innovation.

The USS Monitor, built in 1862, is more famous, being the first ship mounted with only a turret to take part in battle.

The film shows that, during the war, the Union built its own ironclad, the USS Monitor.

An American Civil War veteran, he named it after the USS Monitor.

Video of model vibrating-lever engine of USS Monitor, www.youtube.com.

Only the timely entry of the new Union ironclad USS Monitor forestalled the threat.

The arrival of the USS Monitor on the following day resulted in the "world's first battle between ironclads".

He never did get to command the Virginia against the USS Monitor.

Before the first balloon could be used, it was captured by the crew of the USS Monitor during transportation on the James River.

The USS Monitor became the prototype for the monitor warship type.

The first rotating gun turret was adopted on the USS Monitor, which was a military technology innovation.