What isn't top secret in the military? Readers will be intrigued by the scientific ingenuity (past and present) brought about by wartime need, from field medicine innovations to weapons. A concluding chapter features "tomorrow's secrets," or what military research is likely to yield in the future.

The secrecy weapon -- Codes and code breakers -- Hide and seek -- Decoys and deception -- A world without secrets -- What next? -- Be a peace maker!.