In September 1942 the U.S. government purchased 58,575 acres...

In September 1942 the U.S. government purchased 58,575 acres of wilderness in eastern Tennessee. Soon there was a town, Oak Ridge, and amazing scientific facilities. Thirty-four months after the purchase, an atomic blast lit the New Mexico desert. After 43 months in Iraq, U.S. forces still struggle to cope with improvised explosive devices.