Amendment #2: Common Very Low Frequency Receiver (VLF) Increment 2 (CVRi2) Modernization

This bid amendment relates to the Common Very Low Frequency Receiver (VLF) Increment 2 (CVRi2) Modernization project and provides an accessible version of the Interface Control Document (ICD) for the KGV-363 End Cryptographic Unit (ECU). The original bid likely involves modernization or upgrade services for the VLF receiver system.