Viavi Solutions Inc. engages in the provision of test and measurement and optical technologies for military, aerospace, railway and first responder communications in the Americas, the Asia-Pacific, Europe, the Middle East, and Africa. The company operates in two segments, Network and Service Enablement (NSE) and Optical Security and Performance Products (OSP). The NSE segment provides integrated portfolio of test, monitoring, assurance, and resilient PNT solutions that enable and secure critical infrastructure. This segment also offers instruments, microprobes, and perpetual software licenses that support the development, production, maintenance, and optimization of network systems, as well as repair, calibration, extended warranty, software support, technical assistance, training, and con…