Dossier · informs positioning threads

Golden Dome for America

Revised 2026-09-2230 tracked data points7 open questions

Thesis

Golden Dome is restructuring US national-security space demand around a proliferated-LEO, fast-OTA procurement model that concentrates the highest-value new-build work in SpaceX and the defense primes, while commercial GEO/MEO operators capture only adjacent IDIQ scraps.

The demand is booked and growing: SpaceX alone passed $8B in 2026 Pentagon awards by July, and the ground segment is scaling too, via the SDA's Tranche 3 solicitation and a reported $3.5B FY2027 budget request. The schedule and appropriations, not the demand, are the weakest part of the story. The program's own cost figure has moved from $175B to $185B, against a CBO 20-year estimate of ~$1.2T, and Gen. Guetlein told Congress there is no FY2026 appropriations baseline and "no Golden Dome" without an FY27 appropriation. Only Gate 1 of four SBI gates is cleared, and language points to 2027 flight tests rather than an end-2026 intercept. The allied dimension moved for the first time via the US-Denmark-Greenland siting agreement, though no decision has been made there. For SES: Golden Dome deepens DoD dependency on SpaceX while sharpening the case for IRIS²/SpaceRISE.

Falsifier trackerwhat would prove this wrong — and whether it has
  1. Untripped

    (a) a commercial GEO/MEO satcom operator wins a Golden Dome new-build award comparable in scale to SpaceX's SDN or SB-AMTI

    no new operator award found, every one on record stays an undisclosed-value IDIQ

  2. Untripped

    (b) Golden Dome fields an operational space-based interceptor by end-2028 as scheduled

    still Gate 1 of four, and the newly-quantified appropriations gap now makes the schedule risk structural, not just technical

  3. Untripped

    (c) SpaceX's share of new-build contract value falls below a third as the pool broadens

    no new non-SpaceX award beyond the Aug 2026 broadening

STATE OF PLAY

The September 29 Senate hearing turned appropriations from a risk into a stated crisis

Program director Gen. Guetlein told the Strategic Forces Subcommittee the programme now totals $185B, up from the original $175B headline, with no FY2026 appropriations baseline and an FY27 request split $17B via reconciliation against just $400M through ordinary appropriations. He said there is "no Golden Dome" without that FY27 money. CBO's David Mosher separately restated, not revised, its existing ~$1.2T estimate.

SpaceX still leads every disclosed dollar figure, and the Pentagon relationship deepened further

The sensing pool held its August width: L3Harris claims sole-prime status across five missile-tracking/warning tranches (70 satellites on order), and Northrop Grumman's $1.02B GMTI award is the newest non-SpaceX tracking prime. Space Command separately traded its own precise tracking data for SpaceX's free Stargaze camera network, a Golden-Dome-adjacent arrangement a rival tracker calls an unfair edge. No new operator or interceptor award landed, and the interceptor schedule stays stuck at Gate 1 of four.

The allied dimension has its first named siting commitment

The US-Denmark-Greenland agreement authorizes Golden Dome siting in Greenland, though Copenhagen says no system decision has been made — the first intergovernmental commitment naming the program directly, cross-tracked in the SpaceX financial-architecture dossier.

STRUCTURAL DYNAMICS

  • Golden Dome is procured as proliferated LEO, not as a few exquisite platforms. Every orbital layer that has actually been awarded — the SDA Tranche 3 tracking sats, the Transport Layer relay mesh, SB-AMTI's persistent airborne-target constellation — is a many-small-satellite architecture built and launched on the same industrial base that builds Starlink. That is why SpaceX's structural advantage compounds: the program's chosen form factor is the exact thing SpaceX's vertically integrated build-and-launch stack does at lowest marginal cost, so it wins on the merits of the architecture the government selected, not merely on relationships.
  • The OTA/fast-acquisition path is the mechanism concentrating value. The $1.6B NSSL sensing/targeting package was awarded roughly two months from requirement to award; SB-AMTI and SDN were Other Transaction Authority agreements, not FAR-based competitions. Speed-first procurement favors the incumbent with existing on-orbit capacity and open production lines — it structurally disadvantages a commercial operator that would need to build new capability to bid, and it is the lever that turned a national program into a de facto SpaceX anchor within a single fiscal year.
  • The kill chain still splits by contractor type, with one crack. SDA-model proliferated-LEO builders handle tracking: L3Harris and Sierra Space on the missile-tracking layer, plus SpaceX. SB-AMTI splits the same way now. SpaceX's first tranche ran $4.16B. Its second split $615M across Rocket Lab, Systems & Technology Research and an undisclosed firm, none of them SpaceX. Data backhaul stays SpaceX-only. Space-based interception remains the widest field: 12 contenders spanning defense primes, new-space entrants and SpaceX. Commercial satcom operators still appear only in the protected and assured-comms IDIQ layer, not in sensing or interceptor new-build.
  • L3Harris has its own near-monopoly, one layer down. L3Harris's CFO says the company has been sole prime across five successive missile-tracking and missile-warning satellite tranches, with 70 satellites now on order. That leaves Golden Dome's tracking layer concentrated in one non-SpaceX contractor even as SDA's broader sensing awards spread wider. Northrop Grumman's $1.02B ground-moving-target-indicator satellite award in September is the first sign a second prime is entering that same tracking mission, a program adjacent to Golden Dome's own tranches rather than badged as one of them.
  • Space-based interception is the layer whose physics may not close. Thin global boost-phase coverage requires a very large interceptor constellation (independent estimates run into the thousands to low-thousands of interceptors) because each interceptor covers a small ground track for a short window; this is the cost driver behind the CBO's ~$1.2T figure and the reason the 2028 "initial capability" date should be read as a demonstration milestone, not a fielded shield. Gate 1 of four cleared in August 2026 is genuine progress but early: the hard, expensive, physically unproven part is still ahead.
  • Golden Dome is a demand-side event for the launch bottleneck, not a relief of it. The NSSL Lane 1 sensing/targeting manifest books ~one dedicated Falcon 9 per month through 2027 on top of Starlink and commercial demand — it adds government launch demand to an already SpaceX-dominated cadence, tightening rather than easing the constraint tracked in the launch-bottleneck dossier. Non-SpaceX launchers gain little here because the awards themselves route to SpaceX.
  • The commercial-operator adjacency is protected comms and optical relay, not sensing. Telesat's Mil-Ka dedication and IDIQ, AST's SHIELD IDIQ, and the Protected Tactical SATCOM-Global work show the shape of operator participation. SES Space & Defense leads a K2 Space-bus team on the last of those, assured, anti-jam, sovereign-hosted communications riding alongside the sensing and interceptor layers, not inside them. Both IDIQs likely sit under the Missile Defense Agency's own SHIELD vehicle, a $151B, 10-year ceiling spread across roughly 2,100 companies with zero funds obligated at award — MDA itself says the roster previews no specific Golden Dome requirement. Optical inter-satellite links are the one technology where a commercial MEO/LEO relay operator could plausibly sell into the Golden Dome mesh as a "carrier's carrier," the same demand-side logic SES reads for orbital-compute traffic.

POLITICAL & REGULATORY

  • The program's own director now calls appropriations existential, not just fragile. A September 2026 tally had already put roughly 10% of Space Force programs and 17% of its FY2027 budget at risk pending a stalled reconciliation bill. Gen. Guetlein told the Sept 29 Senate hearing there is no FY2026 baseline and "no Golden Dome" without an FY27 appropriation, with the FY27 request split $17B via reconciliation against just $400M through ordinary appropriations. The 2028 date is hostage to the appropriations calendar.
  • Cost credibility is the live political vulnerability. The gap between the DoD's ~$175B framing and the CBO's ~$1.2T 20-year figure is not a rounding dispute; it is the axis on which congressional and public support turns, and DoD's public defense of the lower number in May 2026 shows the program treats it as a threat. A future authoritative cost re-estimate is the single most likely event to change the program's political trajectory.
  • Golden Dome deepens a policy-resistant DoD dependency on SpaceX, and its first hearing tested appropriations, not procurement concentration. Making one vendor the preferred provider across sensing, backhaul, launch, and interception creates a concentration that is hard to unwind, tracked in full on the SpaceX financial-architecture dossier. The Senate Armed Services Strategic Forces Subcommittee's Sept 29 hearing produced bipartisan pressure to move the programme onto ordinary appropriations, but no procurement-diversification mandate. Whether a future hearing pairs the two questions stays the open political question.
  • For Europe, Golden Dome is the strongest available sovereign-autonomy argument. A US shield built on SpaceX platforms means any allied nation assuming US missile-defense and ISR coverage is, in practice, assuming SpaceX coverage — precisely the dependency logic that underwrites IRIS²/SpaceRISE and the EU's push for a sovereign satcom reserve. Golden Dome makes the European case sharper, not weaker.
  • The allied dimension has its first named siting commitment. The US-Denmark-Greenland security agreement amends the 1951 US-Denmark defense treaty to explicitly permit Golden Dome siting in Greenland, creating two new US defense areas — the first intergovernmental text naming the program directly. Denmark's PM stressed no decision has been made on the system's specifics there, so this is authorization-in-principle, not a fielded system or a defined data-sharing/burden-sharing framework. Canada has separately discussed participation. The "U.S. Shield" IDIQ naming and allied-defense framing on Telesat's Mil-Ka dedication point to a wider allied-access layer — still a live watch item for whether Golden Dome becomes a NATO-adjacent architecture or stays bilateral and US-only.

IMPLICATIONS FOR SES

This dossier is the standing home for Golden Dome, the "Lane E" (US DoD orbital contracts) coverage gap. SpaceX's SB-AMTI, SDN, and the SDA tranche awards all belong to this single domain, replacing a scatter of one-off DoD items.

SES's direct exposure is small and indirect: no Golden Dome award is on SES's own record. The realistic participation lane is the protected-comms/MEO- relay adjacency named in STRUCTURAL DYNAMICS — SES Space & Defense's US-government business and the PTS-G work, plus meoSphere's optical inter-satellite links as a potential sovereign relay layer. This is the SES-own DoD-program-lead sub-strand the Space-data / multi-mission platform priors thread flags as unpointed and watching for growth. A Golden Dome-driven protected-comms or relay award to SES Space & Defense is the concrete signal that would move it.

The larger consequence is competitive, not contractual: Golden Dome hardens the DoD's SpaceX dependency that anchors the SpaceX-EXISTENTIAL thread, so SES should model a competitor whose cost floor is set partly by a national missile-defense program, not only by commercial Starlink margins. Against that, the same program is SES's best lobbying material in Brussels for the IRIS²/SpaceRISE sovereign-autonomy case — the dependency Golden Dome creates for allies is the argument for a European reserve.

Watch: any award, partnership, or earnings-call mention placing SES Space & Defense, meoSphere, or O3b mPOWER inside a Golden Dome sensing-relay or protected-comms role. The September 29 hearing tested appropriations, not procurement concentration, so the FY27 appropriations fight itself is now the nearest venue for a structural crack in SpaceX's position.

ANALYTIC STANCE

Weight the repo-mirrored primary sources (SSC press releases, earnings-call transcripts) above the trade-press and web figures in this dossier. The spaceforce.mil Newsroom RSS mirror is now confirmed reachable and yielded the SBI technical-direction-agent finding directly, so that venue's own primary-grade releases should be checked before treating a Golden Dome fact as WebSearch-only. The top-of-funnel program facts — the $175B/$1.2T cost dispute, the 12-company interceptor field, the Gate-1 milestone — still come from WebSearch snippets and trade press because SAM.gov itself sits behind the routine sandbox's egress block. Treat those figures as well-corroborated but not primary-verified, and re-confirm dollar values against a mirrored SSC/DoD release when one lands.

The Missile Defense Agency's SHIELD vehicle is a genuine calibration trap: its own $151B ceiling and roughly 2,100-company roster look like a Golden Dome number, but MDA itself has said selection previews no specific Golden Dome requirement. Treat SHIELD awards as adjacent capacity, not as Golden Dome new-build evidence, unless a specific task order names Golden Dome directly, the same standard already applied to Telesat's and AST's IDIQs.

Neither tmfassociates.com nor frankrayal.com has published on Golden Dome specifically. Their absence is not informative on its own, since neither writes regularly on missile defense, but it leaves this dossier without the outside analyst check spectrum and D2D dossiers get.

Known blind spot, structural and self-inflicted: this exact contest is the desk's longest-running coverage gap. The retro logged "Lane E (US DoD orbital contracts)" as a recurring MISS across multiple June-August 2026 cycles. SpaceX's SB-AMTI and SDN awards went undetected for ~30 days, and the SDA tracking-layer awards had zero prior brief mentions when finally caught. DoD orbital procurement moves through venues (SSC Newsroom, SDA, MDA) the daily sweep does not reliably reach. A Golden Dome award is more likely to surface late via an earnings call or a trade-press pickup than in real time — a quiet interval is never proof of no activity. The gap extends beyond procurement venues: the Sept 22 Greenland/Denmark siting agreement, a defense-diplomacy story with zero satcom trade-press coverage, sat entirely outside the repo's mirrored feeds and was found only by a direct search. Golden Dome's political and allied-access developments need the same standing search discipline as its contract awards, not just a satcom-RSS sweep.

Distrust the schedule more than the demand. The demand signal (dollars actually obligated) is hard evidence and has consistently come in at or above expectation; the schedule signal (2028 "initial capability," "fully operational in three years") is political and has no engineering milestone yet behind the interceptor layer. When the two conflict in coverage, the obligated-dollars figure is the load-bearing evidence; the calendar date is the claim most likely to slip.

Be skeptical of both cost poles. The $175B headline is a political floor and the $1.2T CBO figure is a 20-year full-architecture ceiling under assumptions the program disputes; neither is a clean program cost. Cite the specific estimate and its basis rather than treating either as the number.

OPEN QUESTIONS

  1. 1

    Does any commercial GEO/MEO satcom operator win a Golden Dome new-build award (sensing, relay, or interception) at a scale comparable to SpaceX's OTAs, as opposed to an undisclosed-value IDIQ?

    Resolves whena named, dollar-quantified operator award in a sensing/relay/interceptor lane. (Resolves Falsifier (a).)

  2. 2

    Does the space-based-interceptor layer clear a live intercept test, and on what schedule relative to the end-2026 target? Johns Hopkins APL now serves as technical direction agent for the program, but no contender has reached Gate 2, and Air Force leadership's own language now points to 2027 flight tests rather than an end-2026 intercept.

    Resolves whena DoD or contractor disclosure of a completed SBI intercept or a formal slip announcement.

  3. 3

    What is the authoritative program cost once an architecture is actually selected, and does a future CBO/GAO estimate move the political consensus? Guetlein's own $185B figure is a program-side revision, not an independent re-estimate, and CBO's Mosher only restated its existing ~$1.2T number at the Sept 29 hearing.

    Resolves whena new independent cost estimate or a congressional funding action keyed to one.

  4. 4

    Does congressional scrutiny of SpaceX's DoD-contract concentration produce any procurement-diversification requirement touching Golden Dome? The Sep 29 hearing tested appropriations mechanics rather than contractor concentration and produced no such language.

    Resolves whenreport language, an NDAA provision, or a deliberate multi-award structure on a future sensing/backhaul buy.

  5. 5

    Does SES Space & Defense (or meoSphere/O3b mPOWER) land a protected-comms or relay role tied to Golden Dome?

    Resolves whenan SES, K2, or DoD disclosure naming an SES asset in a Golden Dome-adjacent role.

  6. 6

    Does Golden Dome become an allied/exportable architecture with defined data-sharing/burden-sharing terms, or stay bilateral siting deals like the Greenland agreement?

    Resolves whena fielded system, a burden-sharing framework, or a second nation's siting or access agreement.

  7. 7

    Does a continuing resolution or topline budget fight actually stall a Golden Dome award or milestone, converting the appropriations-fragility risk into a realized slip? Guetlein's own Sept 29 warning that there is "no Golden Dome" without an FY27 appropriation sharpens this from a background risk to a stated program-director position, but no award has yet slipped.

    Resolves whena program office or contractor statement attributing a specific Golden Dome delay to funding, or the FY27 appropriation's actual passage or failure.

Tracked series

Complete append-only series — 30 readings, 27 Jan 2025 → 29 Sept 2026. Rows never change once added; the time series is the evidence base. Each row number is a permanent link — click it to copy a link straight to that reading.

#DateMetricValueSource
12025-01-27Golden Dome established by executive orderTrump EO (issued days after inauguration) directs a next-generation missile-defense shield, initially styled "Iron Dome for America," later "Golden Dome for America"; tasks DoD to deliver an architecture spanning boost-, midcourse-, and terminal-phase defense including space-based sensors and interceptors[WebSearch] Congressional Research Service, "Defense Primer: The Golden Dome for America" (IF13115); CSIS, "America's Golden Dome Explained"
22025-05-20Golden Dome cost estimate and program lead namedTrump put the program at ~$175B and "fully operational" within his term (~3 years); named Space Force Vice Chief of Space Operations Gen. Michael Guetlein to lead, via an enterprise Office of Golden Dome for America[WebSearch] Breaking Defense, DefenseScoop, Defense News, Via Satellite, all 2025-05-20
32025-07-04FY2025 reconciliation down payment~$25B for Golden Dome included in the FY2025 budget reconciliation package (One Big Beautiful Bill Act), the first tranche of appropriated funding against the $175B estimate[WebSearch] CSIS; Center for Arms Control and Non-Proliferation Golden Dome fact sheet
42025 (CBO) / 2026-05 (reaffirmed)Full-architecture 20-year cost, independent estimateCBO estimated the space-based-interceptor layer of a comprehensive shield could cost ~$542B, and a full Golden Dome architecture up to ~$1.2T over 20 years — well above the $175B political headline; DoD publicly defended the lower figure in May 2026[WebSearch] Bloomberg (2026-05-16), Military.com, Center for Arms Control fact sheet
52026-04-24space-based interceptor prototype OTAs awardedUS Space Force named 12 companies and awarded 20 OTA agreements worth up to $3.2B combined to develop space-based interceptor (SBI) prototypes; awardees: Anduril, Booz Allen Hamilton, General Dynamics Mission Systems, GITAI USA, Lockheed Martin, Northrop Grumman, Quindar, Raytheon, Sci-Tec, SpaceX, True Anomaly, Turion Space; integration into Golden Dome targeted by 2028[WebSearch] DefenseScoop (2026-04-24), SpaceNews, Air & Space Forces Magazine
62026-05-27SpaceX Space Data Network Backbone award$2.29B OTA for a high-throughput, low-latency LEO data-backhaul layer for US military assets, feeding the Golden Dome sensing/targeting portfolioPRIMARY[PRIMARY, repo-mirrored] Via Satellite 2026-05-27; brief 2026-06-28T0630Z
72026-05-29SpaceX SB-AMTI award$4.16B OTA for a Space-Based Airborne Moving Target Indicator proliferated-LEO constellation (persistent detection of aircraft, cruise missiles, hypersonics in A2/AD); SpaceX leads a classified nine-vendor pool; initial capability target 2028; combined with SDN = $6.45B in new SpaceX military contractsPRIMARY[PRIMARY, repo-mirrored] SSC press release 2026-05-29; SpaceNews; brief 2026-06-28T0630Z
82026-03-02AST SpaceMobile MDA SHIELD/Golden Dome IDIQone of AST's 10 total US-government contracts; an MDA SHIELD/Golden Dome IDIQ, dollar value undisclosedPRIMARY[PRIMARY, repo-mirrored] AST SpaceMobile earnings call, 2026-03-02; dossiers/ast-spacemobile-lynk.md
92026-03-17Telesat Golden Dome "U.S. Shield" IDIQ + Mil-Ka dedicationTelesat received a Golden Dome "U.S. Shield" IDIQ (undisclosed value) and dedicated 500 MHz (25% of Lightspeed user-link spectrum, ~$25M cost) to military Ka-band for allied defense usersPRIMARY[PRIMARY, repo-mirrored] Telesat earnings call, 2026-03-17; dossiers/industry-consolidation.md
102026 (awarded)Intuitive Machines AMDT-3 / Golden Dome sub-award18-satellite Golden Dome AMDT-3 award, IM as bus subcontractor under an L3Harris-led team; part of >70 IM-300-series buses under contractPRIMARY[PRIMARY, repo-mirrored] IM earnings call, 2026-08-13; dossiers/companies/intuitive-machines.md
112026-07-14SDA Tranche 3 tracking-layer awards~$1.75B for 36 Accelerated Missile Defense (AMDT) tracking-layer satellites: L3Harris $955M (18 sats) + Sierra Space $798M (18 sats), feeding Golden Dome missile trackingPRIMARY[PRIMARY, repo-mirrored] brief 2026-07-17T0649Z; [WebSearch] DefenseScoop (2026-07-14), Air & Space Forces Magazine
122026-07-16SDA Tranche 1 Transport Layer launchSDA/SpaceX launched 21 Tranche 1 Transport Layer data-relay satellites (York Space Systems-built) — the proliferated-LEO mesh backbone Golden Dome sensing rides onPRIMARY[PRIMARY, repo-mirrored] brief 2026-07-17T0649Z
132026-07-29SpaceX NSSL Phase 3 Lane 1 sensing/targeting launch orders$1.6B across two task orders for 18 Falcon 9 launches supporting the Space Based Sensing and Targeting portfolio (Tracking Layer + SDN Backbone + ABMTI); ~one mission/month through end-2027 from Vandenberg; procurement described as ~2 months requirement-to-award; pushes SpaceX 2026 Pentagon total past $8BPRIMARY[SECONDARY, repo-mirrored] SpaceNews / Breaking Defense 2026-07-29; brief 2026-07-30T0343Z
142026-07-30Anduril named SBI player and K2 customerAnduril named as a Golden Dome space-based-interceptor developer and as a K2 Space bus customer (the same K2 building SES's meoSphere platforms)PRIMARY[SECONDARY, repo-mirrored] SpaceNews 2026-07-30; brief 2026-07-31T0344Z
152026-08 (SMD Symposium)SBI demonstration Gate 1 clearedGen. Guetlein said all 12 space-based-interceptor contenders passed the first of four demonstration gates and continue into Gate 2; first intercept test targeted before end-2026, orbital flight demonstrations in 2027[WebSearch] Breaking Defense / ExecutiveGov, Aug 2026; Army Recognition (test timeline)
162026-08-11Golden Dome CR funding risk flaggedprogram officials publicly flagged Golden Dome funding risk under a continuing resolution — first tracked signal that annual-appropriations mechanics can stall the buildoutPRIMARY[repo-mirrored] brief 2026-08-12T1314Z
172025-12-02MDA SHIELD IDIQ established (phase 1)$151B ceiling, 10-year multi-award IDIQ; 1,014 of 2,463 offerors selected; zero funds obligated at award; MDA said the roster previews no specific Golden Dome requirement[WebSearch] GovConWire, Washington Technology, Breaking Defense (Dec 2025 reporting); SpaceNews (MDA clarification)
182025-12-18MDA SHIELD IDIQ phase 2additional 1,086 firms added, bringing the SHIELD roster to roughly 2,100 companies across both phases[WebSearch] Breaking Defense, GovConWire (Dec 2025 reporting)
192026-07-31Space Force selects technical direction agent for SBIJohns Hopkins University's Applied Physics Laboratory selected to serve as technical direction agent for the Space-Based Interceptor programPRIMARY[PRIMARY, repo-mirrored] spaceforce.mil Newsroom, Article 4561099, 2026-07-31 (sources/latest/spaceforce-news.rss)
202026-08-04SB-AMTI second tranche broadens beyond SpaceX$615M aggregate OTA across three firms — Rocket Lab $397M, Systems & Technology Research, and one undisclosed — under the same 9-firm pool whose first tranche (May 2026, $4.16B) went 100% to SpaceXRocket Lab/Space Force press release 2026-08-04, corroborated Breaking Defense/Air & Space Forces Magazine; dossiers/industry-consolidation.md TRACKED SERIES
212026-09-09L3Harris: sole prime across 5 successive missile-tracking/warning tranches70 satellites now on order across all five awards, including the $955M/18-sat AMDT3 Tranche 3 award; CFO Kenneth Sharp said L3Harris is "really the only awardee" on the missile-tracking/missile-warning layer[INBOX] L3Harris Technologies, Inc._Company Conference Presentation_2026-09-09T00_00_00_English.md (Kenneth Sharp, Senior VP & CFO)
222026-09-16Northrop Grumman named prime for Resilient Radar System-Ground (GMTI)$1.02B in FY2027 procurement funding; space-based ground-moving-target-indicator satellite program targeting a 2028 launch; a second named prime beyond SpaceX in the Golden-Dome-adjacent tracking demandBreaking Defense, Air & Space Forces Magazine, 2026-09-16; brief 2026-09-17T0343Z
232026-09-18Continuing resolution / FY2027 funding risk quantifiedroughly 10% of Space Force programs and 17% of its FY2027 budget are contingent on a reconciliation bill that has not passed, the first dated figure behind the Aug 11 funding-risk flagDefense One, Air & Space Forces Magazine, Breaking Defense, 2026-09-18; brief 2026-09-18T0343Z
242026-09-29 (scheduled)Senate Armed Services Strategic Forces Subcommittee hearing on Golden Domechaired by Sen. Deb Fischer (R-NE), ranking member Sen. Angus King (I-ME); program's first dedicated congressional progress hearingLegis1, Federal News Network (Sep 2026 reporting); dossiers/spacex-financial-architecture.md TRACKED SERIES
252026-09-21SDA Tranche 3 ground-architecture-expansion solicitationSDA issued a Sept 18 SAM.gov solicitation for a single vendor to build, install, and maintain up to 8 new ground entry points worldwide plus upgrades at existing sites, supporting Tranche 3's 108 spacecraft; award decision expected "early next year"; no dollar figure disclosedPRIMARY[PRIMARY-adjacent, repo-mirrored] sources/latest/airandspaceforces.rss, Courtney Albon, "SDA Seeks to Expand Ground Architecture for Future Missile Tracking Satellites," 2026-09-21T19:22:49Z
262026-09-21FY2027 budget request, SDA Resilient Missile Warning/Tracking$3.5B requested in the Space Force's FY2027 budget for the LEO-based tracking-layer program, funding early Tranche 3 ground-entry-point work if approvedPRIMARY[PRIMARY-adjacent, repo-mirrored] sources/latest/airandspaceforces.rss, same 2026-09-21 item
272026-09-21SBI schedule language softens toward 2027 flight testsAir Force Secretary Troy Meink said SBI moved from initial contract to flight-ready hardware in under a year, but program documents now place first interceptor flight tests in 2027 continuing into 2028, with intercept demonstrations later — softer than the Aug 2026 "before end-2026" intercept-test framing, not itself a confirmed slipPRIMARY[SECONDARY, single-chain, thin] IBTimes UK, 2026-09-21, "US Says Its Golden Dome Missile-Killer Is Flight-Ready — but It Is Not Yet in Orbit"; not yet corroborated against a primary SSC/DoD statement
282026-09-22US-Denmark-Greenland security agreement authorizes Golden Dome sitingTrump, Danish PM Mette Frederiksen, and Greenland PM Jens-Frederik Nielsen signed a trilateral agreement at UNGA amending the 1951 US-Denmark defense treaty; the text explicitly permits the US to establish Golden Dome in Greenland "as a shield against ballistic missile threats," creates two new US defense areas (Narsarsuaq, Mestersvig), and allows further bases by mutual agreement; Frederiksen said no decision has been made on the system's specificsPRIMARY[WebSearch, secondary/wire, not repo-mirrored] Times of Israel, US News, Jerusalem Post, AP wire, all 2026-09-22
292026-09-23Pentagon Space Command data-swap with SpaceXSpace Command's Joint Commercial Operations Cell struck an arrangement trading access to its own most-precise tracking data for SpaceX's free DARPA-funded "Stargaze" tracking-camera network (~$107.7M); Space Force says the data is for internal use only; rival tracker Slingshot Aerospace calls it an unfair edge[SECONDARY] Breaking Defense exclusive (Theresa Hitchens, ~12 unnamed sources), via dossiers/companies/spacex.md TRACKED SERIES and brief 2026-09-24T0345Z [S1]
302026-09-29Senate Armed Services hearing: program director warns no FY27 appropriation means no programLt. Gen. Michael Guetlein told the Strategic Forces Subcommittee the programme now totals $185B, with no FY2026 appropriations baseline and an FY27 request split $17B via reconciliation plus only $400M through regular appropriations; he said "there is no Golden Dome" without the FY27 appropriation; senators on both sides urged shifting the programme onto ordinary appropriations; no contractor-specific award or figure named[SECONDARY] Air & Space Forces Magazine, via brief 2026-10-03T0346Z (Weak signals); CBO's David Mosher separately restated, not revised, its existing $1.2T 20-year estimate under questioning at the same hearing, per brief 2026-09-30T0346Z

Superseded

Earlier claims that evidence disproved — kept on record. 1 correction documented.

  1. None yet — this dossier was created 2026-09-01. No prior claim exists to overturn. This section stays in place per the format contract and will carry any future reversal.

Revision history

2026-10-06dossier: chinese-bri-digital-silk-road compression + golden-dome staleness rotation + profile: planet92d4551 ↗
2026-09-22fix: prose-lint failures from process-narration and long/semicolon sentences0eff513 ↗
2026-09-22dossier: Golden Dome + end-to-end convergence — allied siting deal, BlackSky counter-example; profile: SES — O3b mPOWER complete, factory timeline8d3c33d ↗
2026-09-19dossier deep-dive: golden-dome — SB-AMTI broadening, L3Harris/Northrop tracking concentration, MDA SHIELD, Sep 29 hearing280c84c ↗
2026-09-10dossier: non-western sovereign constellations + Golden Dome — India DCC spectrum decision, Japan MIC ITU filing, Orbitworks $1B scale-up; Golden Dome quiet-cycle reconfirmation + profile: Telesat — ESCP-P value reconciled, Cailabs optical study9c5a7a4 ↗
2026-09-02dossiers: live store-backed KEY FACTS that auto-update from the record6700d6e ↗
2026-09-02dossiers: gate KEY FACTS — every figure must cite its TRACKED SERIES row1b9203a ↗
2026-09-02dossiers: add KEY FACTS up-front lookup table717e31a ↗
2026-09-01dossiers: create Golden Dome for America dossierd4adfe2 ↗