EXHIBIT 10.63 SUPPLEMENTAL INDENTURE TO BE DELIVERED BY GUARANTEEING SUBSIDIARIES Supplemental Indenture (this "Supplemental Indenture"), dated as of May 1, 2006, among L-3 Communications Corporation (or its permitted successor), a Delaware...Supplemental Indenture • May 3rd, 2006 • L 3 Communications Corp • Radio & tv broadcasting & communications equipment • New York
i) the principal of and interest (including Contingent Interest and Additional Interest, if any) on the CODES will be promptly paid in full when due, whether at maturity, by acceleration, redemption or otherwise, and interest on the overdue principal...Supplemental Indenture • May 3rd, 2006 • L 3 Communications Corp • Radio & tv broadcasting & communications equipment • New York
