Dive into the fascinating world of submarines with this educational DVD. Explore the history and technology of these iron men and their steel boats. From the early days of naval warfare to modern submarine warfare, this DVD covers it all.

Featuring Robert Lansing as the narrator, this DVD is perfect for anyone interested in military history and technology. With a rating of NR, this DVD is suitable for all audiences. So, whether you're a history buff or just curious about the origins of submarines, this DVD is a must-have.