Printed from https://fiscalreceipts.com/program/GPS03C/ — data as of July 28, 2026. Every figure is citation-backed; see the page online for per-number provenance.
GPSIII Follow On
Budget Figures
FY2026 award data is a partial year — USASpending awards are reported on a rolling basis and the fiscal year does not close until September 30. why partial FY2026 data? →
- FY24
- $53.2M
- FY26
- $109.9M
● actuals (line) · ○ enacted · ◇ request — gaps are editions the program is absent from, never interpolated.
| Series | FY22 | FY23 | FY24 | FY25 | FY26 |
|---|---|---|---|---|---|
| Actuals | $835.2M | $617.0M | $53.2M | ||
| Enacted | – | $617.0M | $119.7M | $647.2M | |
| Request | – | – | $119.7M | $647.2M | $109.9M |
blank = series not published for this year; – = absent from that edition.
Asked vs spent: the PB2024 book requested $119.7M for FY2024; the PB2026 book reports $53.2M actually spent — $66.5M below the request.
Program Lineage
No predecessor/successor lineage was recorded for this program element — no FY-to-FY transfer into or out of this line was stated in the ingested J-books, and none was inferred from the program structure.
Description
Description — GPSIII Follow On
The Global Positioning System (GPS) is a space-based navigation system that fills validated Joint Service requirements for worldwide, accurate, common grid, three-dimensional positioning/navigation for military aircraft, ships, and ground personnel. The consistent accuracy, unaffected by location or weather and available in real time, significantly improves effectiveness of reconnaissance, weapons delivery, mine countermeasures and rapid deployment for all services. GPS must comply with Title 10 United States Code (USC) Sec. 2281, which requires that the Secretary of Defense ensures the continued sustainment and operation of GPS for military and civilian purposes, and 51 USC Sec. 50112, which requires that GPS complies with certain standards and facilitates international cooperation. The system is composed of three programs: User Equipment (funded under Program Element (PE) 1203164F, 1203164SF), Space (funded under PE 1203165F, 1203265F, 1203265SF, 1203269F, and 1203269SF), and a Control Network (funded under PE 1206423F, 1206423SF and 1203165F). The satellites broadcast high accuracy data using precisely synchronized signals that are received and processed by user equipment installed in military platforms. The user equipment computes the platform position and velocity and provides steering vectors to target locations or navigation waypoints. The control segment provides daily updates to the navigation messages broadcast from the satellites to maintain system precision in three dimensions to 16 meters (spherical error probable) worldwide. Additionally, GPS supports the United States Nuclear Detonation (NUDET) Detection System (USNDS) mission and provides strategic and tactical support to the following Department of Defense missions: Joint Operations by providing capabilities for Positioning, Navigation, and Timing (PNT); Command, Control, Communications, and Intelligence; Special Operations; Military Operations in Urban Terrain; Defense-Wide Mission Support; Air Mobility; and Space Launch Orbital Support. GPS III Follow On (GPS IIIF) delivers improved satellites beyond the first ten space vehicles (SVs) being delivered by the GPS III program (funded in PE 1203265SF GPS III Space Segment). The GPS IIIF satellites maintain the same capabilities as the GPS III satellites, and also deliver significant enhancements to include: backward compatibility, Unified S-Band interface compliance, integration of hosted payloads including a redesigned USNDS payload, Laser Retro-reflector Arrays (LRAs), Search and Rescue/GPS (SAR/GPS), and Regional Military Protection (RMP) capabilities that provide the ability to deliver high-power regional Military Code signals in specific areas of intended effect. Implementation of RMP into the GPS Enterprise requires integration with the ground and user segments, executed by the GPS Next Generation Operational Control System and Military GPS User Equipment programs, respectively. The SAR/GPS payload provided by Canada fills a validated National Search and Rescue Committee requirement to provide an enduring, space-based distress alerting capability to detect, locate, and relay distress alerts to fulfill its responsibilities under international agreements for Search and Rescue. The LRA, built by the Naval Research Lab, is a passive reflector that improves accuracy and provides better ephemeris data. National Geospatial-Intelligence Agency funds the integration costs of the LRA. GPS IIIF SVs 11 - 12 are in development and expected Available for Launch dates in FY27. Procurement of SVs 13 and 14 was awarded on October 7, 2020. Additionally, the GPS IIIF program office capitalized on a one-time only opportunity for economy of scale acquisition, via an Alternate Buy Strategy, that reduced total production costs with no expected impact to Acquisition Program Baseline milestones or planned on-orbit delivery of the SVs. SVs 15, 16, and 17 were awarded on October 22, 2021. GPS IIIF SVs 18, 19, and 20 were awarded on October 27, 2022. An FY 2026 gap in SV procurement supports an updated production alignment resulting from GPS constellation launch delays and GPS IIIF RDT&E technical challenges. This production rate slow down also leverages a healthy GPS constellation while funding near-term priority Space Force needs in FY 2026. This extends GPS IIIF SV procurement into FY 2031. Funding for this exhibit is contained in PE 1203269SF.
Justification
Justification — GPSIII Follow On
FY 2026 funding procures all resources necessary to maintain the current build schedules for the production GPS IIIF SVs13-20 SVs to support the planned GPS IIIF Available for Launch (AFL) dates. GPS IIIF will continue additional product procurement activities such as upgrading its Electrical Ground Support Equipment (EGSE) to ensure efficient and successful testing of the 10 space vehicles currently on contract and to ensure new security requirements are being met. EGSE is critical to the space vehicle build process providing verification of workmanship and performance before it is launched and placed in operation.. These funds will be utilized to maintain the GPS IIIF Flight Software baseline and updates to the simulators due to the larger evolved Bus (eBus) for SVs 13+. GPS IIIF will fund Mission Unique Hardware (MUH) and services for two launch service contracts which SSC Assured Access to Space (SSC/AATS) will award in FY 2026 for launch in FY2028. The mission unique items and services are critical to ensuring a successful integration and launch with the launch service providers. FY 2026 funding will allow the program to rapidly respond to implement system resiliency and situational awareness necessary to operate through the contested space domain. Activities may include, but are not limited to, program office support, studies, technical analysis, and activities that may leverage commercial, U.S. Government partnership, and international opportunities to respond to existing and emerging adversarial threats with speed and agility, etc.
Budget Line Items(workbook-cited)
Exhibit P-1
| Account | Org | Type | Amount |
|---|---|---|---|
| Procurement, Space Force | F | FY24 Actuals | $53.2M |
| Procurement, Space Force | F | FY25 Enacted | $647.2M |
| Procurement, Space Force | F | FY26 Disc. Request | $109.9M |
| Procurement, Space Force | F | FY26 Total | $109.9M |
Budget Details(R-2/P-40 facts)
| Project | All Prior Years | FY24 Actuals | FY25 Total | FY26 Base | FY26 Request |
|---|---|---|---|---|---|
| Program Element | $2.02B | $53.2M | $647.2M | $109.9M | $109.9M |
No follow-the-dollar view — this program's awards haven't been crosswalked at high confidence (flows cover 17 of 1741 programs). why coverage is partial? →
Awards
No awards are linked to this program element at high confidence — the budget→award crosswalk only asserts links it can defend, and this line has none yet.
Lobbying Mentions
No Senate LDA lobbying filing in the tracked data mentions this program element by code or alias.
No research dossier for this program — dossiers cover 50 of 1741 programs, the largest fully J-book-detailed lines by FY2026 requested dollars. why no dossier here? →