EXHIBIT 10.94 SUPPLEMENTAL INDENTURE TO BE DELIVERED BY GUARANTEEING SUBSIDIARIES Supplemental Indenture (this "Supplemental Indenture"), dated as of August 6, 2003, among L-3 Communications Aeromet, Inc., an Oregon corporation, AMI Instruments, Inc.,...Supplemental Indenture • August 8th, 2003 • L 3 Communications Holdings Inc • Radio & tv broadcasting & communications equipment • New York
