Cover of Not Until Twenty Forty-Nine / We Call This Degradation Feature

Not Until Twenty Forty-Nine / We Call This Degradation Feature

Not Until Twenty Forty-Nine / We Call This Degradation Feature

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Summary
 One new story. One old one. Data first, leap second. NEW. On 7 October 2026 the Government Accountability Office published GAO-27-107676, "Precision Navigation Systems: Challenges Remain with Fielding New Capabilities," a report to congressional committees mandated by a provision of the National Defense Authorization Act for fiscal year 2025. GAO's opening letter states that "Due to DOD's reliance on it, GPS also represents a potential single point of failure for DOD," and that "DOD is years away from fielding this capability after spending more than 2 decades and billions of dollars," rising in the conclusions to "tens of billions of dollars." The encrypted military M-code signal is not a plan: the Pentagon's own 2008 biennial report to Congress records Block IIR satellites modified to broadcast it, six of them launched since September 2005. What is late is everything that listens to it. The Army's EAGLE-M receiver integration achieved airworthiness qualification in April 2024 and began fielding on the UH-60M Black Hawk in November 2024, and then the report says: "However, full fielding across all Army aviation platforms will not be achieved until 2049, with Army officials citing current priorities and funding levels." A table in the same report lists one Army mounted receiver line at 2050 and beyond. The ground segment is the other half. The Space Force formally accepted OCX, the Next Generation Operational Control System, in July 2025, but only "after the Space Force agreed to multiple waivers and deviations, some of which related to technical shortfalls." One of those was the time-steering requirement, the system's ability to disseminate accurate time, which was waived; the legacy ground system did the time steering during testing of its replacement. Nine months later, in April 2026, the Office of the Under Secretary of Defense for Acquisition and Sustainment directed termination, at the Space Force's own request. On oversight, GAO found that "the military services have budgetary autonomy and may decide not to follow the council's recommendations," and that board notes record "discussions were held regarding the Air Force's inadequate funding of the aviation receiver programs." The leap, refused: nothing here says American forces are flying blind. The same report documents handheld receivers fielded to a brigade of the 25th Infantry Division, Stryker brigades completed in July 2025, and an alternative satellite navigation capability reached in late 2024. The 2049 and 2050 dates are program estimates officials gave GAO, not a signed schedule, and the reason given is funding and priorities, which are decisions rather than physics. The episode says so on air. OLD. For about a decade the United States deliberately degraded the GPS signal in civilian hands, and it said so in writing. A White House fact sheet of 29 March 1996 announced the intention "to discontinue the use of GPS Selective Availability within a decade in a manner that allows adequate time and resources for our military forces to prepare fully for operations without SA." On 1 May 2000 the President announced the end of it: "Today, I am pleased to announce that the United States will stop the intentional degradation of the Global Positioning System signals available to the public beginning at midnight tonight. We call this degradation feature Selective Availability." Two sentences later the same statement adds: "Additionally, we have demonstrated the capability to selectively deny GPS signals on a regional basis when our national security is threatened." The global blanket was given up because a scalpel existed. In 2007 the Secretary of Transportation told the ICAO Assembly that the capability would be removed from GPS III hardware, and the Pentagon's 2008 report to Congress records "permanent elimination of the intentional accuracy degradation feature." That same 2008 report promised Congress that OCX capabilities would "be phased in over time beginning in 2011." Left in tier two deliberately: the widely repeated story that Selective Availability was switched off during the Gulf War because American troops were carrying civilian receivers could not be confirmed from a primary government document for this episode. Primary sources GAO-27-107676, "Precision Navigation Systems: Challenges Remain with Fielding New Capabilities," report to congressional committees, 7 October 2026: https://files.gao.gov/reports/GAO-27-107676/index.htmlThe White House, OSTP and NSC, Fact Sheet, "U.S. Global Positioning System Policy," 29 March 1996 (PDD/NSTC-6): https://www.navcen.uscg.gov/sites/default/files/pdf/1996_GPS_Policy.pdf"Statement by the President Regarding the United States' Decision to Stop Degrading Global Positioning System Accuracy," Office of the Press Secretary, 1 May 2000: https://clintonwhitehouse4.archives.gov/WH/EOP/OSTP/html/0053_2.html"President Clinton: Improving the Civilian Global Positioning System (GPS)," fact sheet, 1 May 2000: ...
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