NIWC Atlantic is conducting a market survey to assess Small Business capabilities for core systems supporting the Common Submarine Radio Room (CSRR) and related gear—including radios, networks, antennas, crypto, CANES, ADNS, TFDS, and Link-16—plus future C4ISR/C5ISR/C6ISR capabilities. Only SeaPort NXG MAC holders are eligible, and large businesses need not apply. Support may occur worldwide aboard U.S. Navy submarines and in U.S. territories, Guam, Diego Garcia, Souda Bay Greece, Japan, South Korea, Germany, Australia, Italy, and Scotland.