Amends the Floyd D. Spence National Defense Authorization Act for Fiscal Year 2001 to: (1) extend until June 30, 2009, the deadline for the final report of the Commission to Assess the Threat to the United States from Electromagnetic Pulse Attack; (2) make the Commission chairman in charge of all Commission financial and administrative matters; and (3) provide guaranteed Commission funding for FY2008.
Authorizes the chairman of the congressional defense committees to jointly appoint up to three additional Commission members.