To require the refining, processing, or upgrading of certain material in the National Defense Stockpile in order to convert such material into a form more suitable for storage, subsequent disposition, and immediate use in a national emergency.

Directs the President, pursuant to certain conversion requirements under the Strategic and Critical Materials Stock Piling Act, to provide, during FY 1991 through 1997, for the refining, processing, or upgrading of materials in the National Defense Stockpile in order to increase the quantities of certain materials. Outlines the method for conversion, as well as provisions for failure to achieve any required material increase.