The 2nd Navigation Warfare Squadron (2 NWS) is a United States Space Force unit responsible for operating the Global Positioning System (GPS) satellite constellation, which provides global navigation, time transfer, and nuclear detonation detection. It is a component of Space Operations Command's Positioning, Navigation, and Timing Integrated Mission Delta (Provisional) and headquartered at Schriever Space Force Base, Colorado.
The squadron is augmented by reserve personnel from the 19th Space Operations Squadron, part of the 310th Space Wing.