The Pentagon's senior civilian and military officials this week urged Congress not to relinquish government-owned communication bands unless or until a comparable spectrum can be identified for military use. "DOD must not be forced to relocate to other spectrum prematurely," Defense Secretary Donald Rumsfeld and Chairman of the Joint Chiefs of Staff Gen. Hugh Shelton write in an Aug. 27 letter to Senate Majority Leader Tom Daschle (D-SD). "Forced relocation will have serious consequences on our national security and increase...