SpaceX successfully launched the GPS III Space Vehicle 10 (SV10) mission for the United States Space Force on April 21, 2026. The Falcon 9 rocket lifted off from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida, carrying the final satellite of the GPS III series into medium Earth orbit. This mission represents the conclusion of a multi-year deployment effort to modernize the Global Positioning System constellation with more resilient and accurate technology.
Approximately eight and a half minutes after liftoff, the Falcon 9 first-stage booster completed its return sequence, landing vertically on the autonomous droneship Just Read The Instructions positioned in the Atlantic Ocean. This recovery marks another successful reuse of SpaceX’s orbital-class hardware, as the booster was certified for National Security Space Launch (NSSL) missions. The second stage continued its ascent, successfully deploying the satellite into its intended transfer orbit roughly two hours after launch. SpaceX confirmed the deployment of the payload via its mission control center in Hawthorne, California.
The GPS III SV10 satellite, manufactured by Lockheed Martin at its GPS III Processing Facility near Denver, is the tenth and final unit in the GPS III production block. According to specifications provided by the U.S. Space Force’s Space Systems Command, these satellites provide three times greater accuracy and up to eight times improved anti-jamming capabilities compared to previous generations. The SV10 also features the modular LM 2100 bus, designed to provide greater spacecraft power and hardened electronics for extended mission life. The satellite is expected to operate for at least 15 years in orbit.
Brigadier General Kristin Panzenhagen, Program Executive Officer for Assured Access to Space, confirmed the successful signal acquisition following deployment. The Space Force stated that the satellite will now undergo several months of on-orbit testing before being integrated into the operational constellation. This launch completes the GPS III baseline, which was initiated to address growing electronic warfare threats and to provide the new M-code signal for military users and the L1C signal for international civilian compatibility.
With the completion of the GPS III series, the Space Force and its contractors will transition focus toward the GPS IIIF (Follow-on) program. Lockheed Martin is currently under contract to produce up to 22 GPS IIIF satellites, which will introduce additional capabilities such as a regional military protection link and a laser retroreflector array for sub-centimeter ranging. SpaceX remains a primary launch provider for these upcoming missions under the NSSL Phase 2 and Phase 3 contracts. The total value of the GPS III program has been estimated at approximately $5.5 billion for the initial ten satellites.