LGS Innovations and SCALABLE Network Technologies will introduce innovative new techniques for Modeling and Simulation (M&S) of 5G mobile networks to enable effective proficiency training, cyber situational awareness, network analysis and mission rehearsal exercise support for cyber physical activities. This is important to the community because commercial mobile network environments are evolving and proliferating globally. M&S live, virtual, constructive (LVC) techniques must advance to accurately represent and be interoperable with 5G mmWave and cmWave Access Points (AP), smart buildings and homes, mobile-to-mobile, telematics, and sensor networks. LiveRAN (LGS) is federated with the EXata (SCALABLE) network simulator, which provides high-fidelity models of wired and wireless communication networks that include cellular, enterprise, and battlefield networks. EXata also provides detailed propagation models of signal transmission through rural and urban terrain and also provides a comprehensive library of cyber attack and defense models. The federated LiveRAN+EXata solution provides an interoperable simulation for network elements and physical elements such as trees, houses, cellular towers, people and weapons systems.  This architecture is being extended to provide deep operational understanding of new 5G elements and their impact on cyber situational awareness, particularly in contested environments. For 4G LTE networks, the LiveRAN+EXata^® solution enables understanding network chokepoints and analyzes how a network is affected in scenarios in which certain elements are perturbated or degraded through kinetic or non-kinetic effects. A 5G Non-Standalone Architecture utilizes much of the same authentication techniques for 4G but allows 5G enabled handsets to connect simultaneously to 5G base stations (gNodeBs) for higher bandwidth and lower latency. We describe how cyber effects alter network performance in simulated or live 4G vs 5G environments. Our integrated high fidelity 5G mobile network M&S platform will provide important capabilities as cyberspace operations become more integrated into the tactical mission space.