ISS Infrastructure Bond — Financial Model

Scenarios model expected bid range | Reserve funded from bond proceeds

Buildout Cost

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Hardware deployment

Reserve Fund

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From proceeds

Total Bond Size

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Single issuance covers both

Scenario Guarantee

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Bid-determined — explore range with slider

Production Ramp Parameters (Bond Year 1 = 2030)

Pre-production lag (bond years)Years after issuance before first output

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1 yr4 yr

Ramp duration (bond years)

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2 yr8 yr

Peak throughput

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10 T/yr200 T/yr

Reserve fund (% of bond proceeds)Capitalized at issuance

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4%20%

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Year	Phase	Throughput	Mass Proc.	SF Anchor	Feedstock	Debris Cr.	Total Rev	Debt Svc	Net CF	DSCR	Reserve

Buildout (pre-bond)

Pre-production

Ramp

Full ops

DSCR: Green ≥1.5x | Yellow 1.2–1.5x | Red <1.2x

Asset Valuation

Total ISS: 430T | Russian: ~80T | Axiom: ~20T | Max usable: ~330T

Usable mass (tons)

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150T330T

Feedstock value per ton$3.5M/T = $3,500/kg

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$1M/T$6M/T

Total collateral value—

Loan-to-value ratio—

Bond Structure — Single Issuance (2030)

Bond proceeds = buildout + reserve. Guarantee = bid proposal. Recommended ceiling: 20–35%.

Buildout costHardware deployment

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$100M$900M

Reserve fund (from proceeds)—

Total bond sizeBuildout + reserve—

Scenario guarantee %Bid-determined via RFP | Explore full range

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0%100%

Guarantee amount (contingent)—

Interest rate

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2.5%8.0%

Annual debt service—

Revenue Streams

Space Force anchor ($/yr)Primary revenue during pre-production

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$10M$150M

Debris credits at peak ($/yr)Ramps with throughput. TBD per incentive framework.

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$0M$100M

Peak feedstock revenue/yr—

Peak total revenue/yr—

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Interest Rate Sensitivity (at peak revenue)

Rate	Debt Svc/yr	Peak DSCR	Viable?

Federal Exposure — Current Plan vs. Alternative

Current Plan: Deorbit

SpaceX deorbit contract + launch$1,500M

Committed expenditure

ISS asset value retained$0

Asset destroyed at splashdown

Alternative: Orbital Asset Recovery

Launch credit (2027–2030)$100M

Hardware deployment

Guarantee (contingent, bid-determined)—

Called only on default

Reserve fund—

From bond proceeds — zero federal cost

ISS collateral retained—

Consortium balance sheet

Max federal cash exposure (scenario)—

Savings vs. deorbit—

Why the reserve fund is not a federal cost

The reserve fund is capitalized from bond proceeds at issuance. Bond investors fund it as part of their subscription — held in a pledged account, released to service debt if early revenues fall short. The federal government neither contributes to nor guarantees the reserve separately.

The federal role is strictly limited to the partial guarantee on bond principal. The guarantee level is bid-determined through competitive RFP — Congress sets the ceiling, the market determines the rate.

Guarantee Scenarios vs. Federal Cash Exposure

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Scenario %	Guar. Amount	+ Launch Credit	vs Deorbit

Bond Viability Checklist

Recommended Authorization Structure: Ceiling + Bid-Determined Guarantee

Rather than specifying a fixed guarantee rate in legislation, Congress authorizes OSC to administer a federal credit guarantee facility with a ceiling. The actual guarantee level is proposed by consortium bidders as a scored element of the RFP — competitively determined, not administratively set. Analysis suggests a ceiling in the 20–35% range is appropriate, with the specific ceiling left to congressional judgment. This approach has three advantages over a fixed rate:

Removes the most vulnerable number from pre-RFP scrutiny. No specific rate needs to be defended before the incentive framework is designed or market conditions are known. The ceiling is the only number Congress needs to authorize.

Creates competitive pressure to minimize federal exposure. Bidders are scored partly on how little guarantee they require. The market does the work of minimizing the federal commitment rather than a government official setting it.

Links guarantee level to incentive framework outcome. Bidders who can demonstrate robust debris credit revenue will need less guarantee and score higher. The incentive framework and guarantee level get priced together in the bid rather than sequenced awkwardly.

Legislative language model: "The Office of Space Commerce is authorized to provide a federal credit guarantee for the ISS orbital asset recovery consortium infrastructure bond, in an amount not to exceed [X]% of bond principal, with the specific guarantee level to be determined through the competitive RFP process and evaluated as a scored criterion favoring proposals requiring the least federal credit enhancement consistent with investment-grade bond financing."

Federal Credit Enhancement Precedents

Precedents are ordered from highest to lowest guarantee level to establish the range within which congressional action has already occurred. A ceiling in the 20–35% range sits well within established precedent — conservative relative to Ex-Im Bank practice in this exact sector.

Ex-Im Bank Launch Financing Up to 85% High-end benchmark

Why it is relevant: Congress has already accepted near-full federal guarantees for commercial space assets when strategic and export interests align. Ex-Im has guaranteed up to 85% of commercial satellite launch financing for U.S. exporters including Boeing and Lockheed Martin satellite programs in the 1990s and 2000s. This establishes that the space sector is not categorically different from other infrastructure sectors for federal credit policy — and that guarantees well above a 35% ceiling have bipartisan precedent in exactly this industry.

The distinction: Ex-Im guarantees cover completed commercial transactions with paying customers and established revenue streams. The ISS bond involves a novel facility with a developing revenue model. This argues for a ceiling in the TIFIA/DOE Title XVII range rather than Ex-Im levels. The Ex-Im precedent nonetheless establishes the high-end anchor: if Congress has accepted 85% for satellite launch, a ceiling in the 20–35% range for space infrastructure development is a conservative ask by comparison.

Bottom line: Sets the high-end anchor. Any ceiling in the 20–35% range is conservative relative to established congressional precedent in this sector.

DOE Title XVII Loan Guarantee Program ~15–20% effective Technology commercialization analog

Why it is relevant: The Department of Energy's Title XVII program provides loan guarantees for innovative energy projects employing new or significantly improved technologies. The Tesla Motors manufacturing loan ($465M, fully repaid 2013) is the cleanest analog: a first-of-kind manufacturing facility for a product with uncertain market demand, guaranteed at a level that made private co-investment possible without eliminating private risk. The loan was repaid nine years early. Title XVII was designed for exactly the gap the ISS bond addresses — novel technology commercialization where the market will not finance first-of-kind facilities at reasonable rates without federal backing.

The distinction: The Solyndra failure is the standard political objection and should be anticipated. It is distinguishable on two material grounds: Solyndra had no tangible collateral, while the ISS asset transfer provides $1.5B in space-grade material as consortium collateral from day one; and Solyndra's revenue depended entirely on private market adoption, while the ISS bond includes a sovereign Space Force anchor tenant providing a revenue floor independent of market conditions.

Bottom line: Tesla loan precedent is the cleanest single analog — first-of-kind facility, uncertain market, federal guarantee enabling private co-investment, fully repaid.

TIFIA — Transportation Infrastructure Finance and Innovation Act ~10–20% effective Closest structural analog

Why it is relevant: TIFIA is the most directly applicable structural precedent. Established in 1998, TIFIA provides credit enhancement for infrastructure where the private market will not finance at reasonable rates. Critically, TIFIA does not set a fixed guarantee level — it evaluates each transaction on its merits and sizes credit enhancement to what the specific project needs to achieve investment-grade financing. The Port of Miami Tunnel is structurally most similar: novel infrastructure, no operational comparable, a government anchor tenant providing a sovereign revenue floor, and a reserve fund structured into bond proceeds. This bid-determined sizing model is exactly what the ISS RFP mechanism proposes.

The distinction: TIFIA covers mature infrastructure categories with well-understood cost and revenue structures. The ISS bond involves novel technology and an emerging market, arguing for the higher end of the TIFIA range. The key structural lesson from TIFIA is that bid-determined guarantee sizing — where projects propose what they need and are scored partly on minimizing federal exposure — produces better outcomes than administratively fixed rates.

Bottom line: TIFIA's bid-determined sizing model is the direct legislative template for the ISS guarantee mechanism. Ceiling authorizations set the upper bound; actual transaction rates are competitively determined.

Rural Utilities Service (RUS) Broadband & Electric Programs 90–100% Policy logic analog

Why it is relevant: The Rural Utilities Service provides near-full loan guarantees for rural infrastructure where private markets will not invest at any reasonable rate. The policy logic is directly applicable: RUS exists because private markets systematically underinvest in infrastructure that is strategically important but commercially marginal at market rates. The federal guarantee does not make bad investments good — it makes viable investments financeable that the market would otherwise price out of existence. The space-to-space economy is at exactly the same inflection point that rural electrification was in the 1930s: technically feasible, strategically important, and commercially unfinanceable without federal credit backing.

The distinction: RUS guarantees are for mature infrastructure with well-understood cost and revenue structures, justifying near-full guarantee levels. The ISS bond involves novel technology and an emerging market — this argues against RUS-level guarantees and toward TIFIA-level ceilings. RUS is most useful as the policy logic argument for why government should backstop strategically critical infrastructure that markets underprice.

Bottom line: Policy logic precedent. Useful for the 'why guarantee at all' question, not for ceiling sizing.

Recommended Ceiling Range: 20–35%

Covers the full expected bid range. Base case bids are expected to propose 20–25%. Conservative scenario bids with weaker revenue models may need up to 30–35%. A ceiling in this range accommodates both while staying within TIFIA/DOE Title XVII territory.

Defensible under FCRA scoring. The ceiling authorization scores as a contingent liability based on expected loss. At 20–35% ceiling with substantial ISS collateral and a sovereign anchor tenant, the FCRA score is comparable to existing Title XVII authorizations.

Conservative relative to sector precedent. Congress has authorized 85% guarantees for commercial satellite launch financing through Ex-Im. A ceiling in the 20–35% range for orbital infrastructure development is a fraction of what has already been accepted in this sector.

Does not prejudge the incentive framework. The debris credit mechanism — which materially affects how much guarantee any bidder needs — is determined by the National Academies panel. The ceiling authorization today does not require that answer to exist yet.

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Assumptions: Bond issued 2030 | Guarantee bid-determined via competitive RFP (recommended ceiling 20–35%, congressional discretion) | Proceeds cover buildout + reserve (single issuance, no separate equity) | 20-year amortization | 2027–2029 buildout funded by $100M launch credit | S-curve production ramp from bond year 1 | Feedstock value = launch cost equivalency ($3,500/kg) | Russian segments (~80T) and Axiom assets (~20T) excluded | All figures nominal USD millions | Debris credit revenue subject to incentive framework TBD