EXHIBIT 10.55 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...L 3 Communications Corp • May 3rd, 2006 • Radio & tv broadcasting & communications equipment • New York
EXHIBIT 10.68 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...L 3 Communications Corp • May 3rd, 2006 • Radio & tv broadcasting & communications equipment • New York
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...L 3 Communications Corp • May 3rd, 2006 • 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...L 3 Communications Corp • May 3rd, 2006 • Radio & tv broadcasting & communications equipment • New York
a) Such Guaranteeing Subsidiary, jointly and severally with all other current and future guarantors of the Notes (collectively, the "Guarantors" and each, a "Guarantor"), unconditionally guarantees to each Holder of a Note authenticated and delivered...L 3 Communications Corp • May 3rd, 2006 • Radio & tv broadcasting & communications equipment • New York
