Watch Weapons of War - A History of Military Tools and Machines Season 1 Episode 40 Online
- COUNTRIES: United States of America
- Subtitles: English
In the 19th century, military balloons were targeted by artillery pieces. In WWI, machine guns took aim at early planes. since then, air defense has rapidly developed into a sophisticated network of radar, communications and anti-aircraft missiles to provide a virtual shield in the sky.
