Military and security / Jackson, Tom

The first weapons of war are believed to have been wooden maces with stone heads. Today, computers are used in modern warfare to break codes, communicate, and spy on enemy forces. Examine significant military developments in military and security, one of the titles in the technology and innovation series.

"Describes the evolution of warfare and weapons from pre-Civil War to today's modern techniques on land and sea. Also describes the changes in security devices, such as locks and keys. A timeline traces the history of warfare"--Provided by publisher.