RESTON, Va.--(BUSINESS WIRE)--Jul 28, 2025-- NextNav (Nasdaq: NN), a leader in next generation 3D geolocation technology, and First Due, the all-in-one AI-powered platform for fire and emergency medical services (EMS) agencies, today announced a partnership that brings NextNav's vertical location and 3D visualization technology to Fire and EMS giving these agencies a powerful new tool for personnel accountability. This partnership and NextNav's technology will allow incident commanders to visualize not only the horizontal location of personnel but also their vertical position. By displaying first responders using a NextNav 3D wireframe view of buildings directly within First Due's Incident Command and Response solution, commanders on scene can now pinpoint the exact real-time location of personnel inside tall or complex structures.