SIGINT (Signals Intelligence) is the collection and analysis of information from electronic signals. SIGINT involves the interception and examination of signals, such as radio transmissions, electronic communications, and radar emissions, to gather intelligence about the activities, intentions, and capabilities of people or equipment.

Black River specializes in the collection, processing, and analysis of SIGINT data. This includes decoding encrypted messages and identifying patterns to recognize significant activities that support national security and defense.