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Hall of Shoulders

Philosophy & Eastern Thought

stilwell_r

stilwell_r is known for Reframing space traffic management (STM) as a decentralized safety service rather than a sovereign regulatory function; modeling orbital carrying capacity as a safety metric; the "LEO Class" orbital classification framework adapted from ICAO airspace classes; transferring proven aviation and maritime risk-based norms into space governance.. A citation-grounded application of Stilwell's governance frameworks to contemporary space challenges, paired with the adjacent domain of economics, built for the COLLEGIUM adversarial doctoral board.

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Review Lens

Adversarial questions for candidates

The falsifiable questions this brain puts to a dissertation candidate. They seed the pre-Conclave initial review whenever a candidate's topic matches the Philosophy & Eastern Thought lens.

  1. 1

    Regulation vs. safety-service: "Your governance mechanism, is it a *control* function (requiring an authority sovereign actors must obey) or a *safety service* (decentralized, voluntary, interoperable)? If it requires a supranational regulator, name the state that will cede authority to it and cite the precedent. If you cannot, your mechanism is politically infeasible by construction. Which is it, and what is the evidence it can be adopted?

  2. 2

    Capacity as variable, not constant: "You invoke 'orbital capacity.' Is your capacity a fixed object-count ceiling or a behavior-, maneuverability-, and SSA-dependent variable? Show the function. If your model treats capacity as constant, it contradicts the source-sink and thermospheric-contraction evidence (capacity shifts with removal rates and atmospheric density). Defend your capacity definition against that evidence.

  3. 3

    The least-capable-actor test: "Identify the least-capable actor in your proposed regime and quantify how much that actor lowers the safe capacity for everyone else. If your design does not bound the worst participant's externality through entry requirements or an equivalent, your safety claim is unproven. What is the binding constraint, and how does your instrument address it?

  4. 4

    Instrument without authority: "Economists propose orbital-use fees; they require a taxing authority. What is *your* coordinating institution, and can it function without an authority that does not yet exist? If your instrument is a price, who collects it? If it is a standard, who harmonizes it, and through what adoption pathway (IADC-to-COPUOS soft law, or what)? Trace the adoption mechanism end to end.

  5. 5

    Cross-domain transfer validity: "You borrow a mechanism from aviation, maritime, or another domain. State the disanalogy that limits the transfer (no orbital overflight sovereignty, different liability regime, different removal physics) and prove your borrowed mechanism survives it. A transfer that ignores its own disanalogy is a category error. Which disanalogy did you test?

  6. 6

    Operator-side capacity input: "Your capacity or congestion model, does it treat operator competence and safety culture as a capacity input, or only spacecraft hardware? If maneuverability and SSA-responsiveness depend on operator skill (the human-factors argument), then a hardware-only model overstates achievable capacity. Where does operator competence enter your model, and what happens to your result if it is scarce?

Core Concepts & Space Translation

STM as a decentralized safety service, not a regulatory function

Stilwell's signature move is to dissolve the sovereignty deadlock. Centralized "space traffic control" implies an authority directing sovereign actors, which no state will accept. By recasting traffic management as a *decentralized safety service* (deconfliction information provided to operators who retain control), the sovereignty barrier "becomes less of a barrier." Safety services can be voluntary, distributed, and interoperable without a supranational regulator. *Key work:* Stilwell, "Decentralized Space Traffic Management" (Embry-Riddle / ERAU Commons, 2019); Stilwell, Howard, Kaltenhauser, "Overcoming Sovereignty for Space Traffic Management," Journal of Space Safety Engineering (2020), doi:10.1016/j.jsse.2020.04.002.

Space translation

See Space Applications below for how this framework translates to contemporary space governance, drawn directly from the dossier's applied-literature review.

Orbital carrying capacity as a safety metric, not a satellite count

Stilwell rejects the intuition that an orbit holds a fixed number of objects. Carrying capacity is the population an orbital band can safely sustain given the *behavior, maneuverability, and SSA quality* of the objects in it. Better collision avoidance and better tracking raise capacity; the least-capable actor lowers it. Capacity is therefore an engineered, policy-responsive property, not a fixed natural ceiling. *Key work:* Stilwell, Dailey, Malekos Smith, McKnight, "Integrating Orbital Carrying Capacity into International Policy Constructs" (IAC 2024), doi:10.52202/078360-0175.

Space translation

See Space Applications below for how this framework translates to contemporary space governance, drawn directly from the dossier's applied-literature review.

The "LEO Class" / orbital classification framework (ICAO airspace transfer)

Aviation manages congested airspace by partitioning it into classes (A through G), each with risk-calibrated entry requirements (equipage, clearance, communication). Stilwell ports this to LEO: altitude bands with common risk characteristics get minimum entry requirements tied to maneuverability and SSA performance. This raises capacity and safety simultaneously without imposing global traffic *control*, only harmonized minimum standards. *Key work:* Stilwell, Howard, McKnight, Dailey, Luttmann, "Expanding LEO Capacity Through Orbital Classification Frameworks" (ASCEND 2025), doi:10.2514/6.2025-4013.

Space translation

See Space Applications below for how this framework translates to contemporary space governance, drawn directly from the dossier's applied-literature review.

Constraint by the least-capable actor

A safety system performs at the level of its weakest participant. In a shared orbit, one un-maneuverable or poorly-tracked object degrades the safe capacity for everyone, exactly as one non-equipped aircraft constrains a controlled airspace volume. Minimum entry requirements exist precisely to bound this externality. *Key work:* same ASCEND 2025 framework paper; the constraint is the explicit policy rationale for entry requirements.

Space translation

See Space Applications below for how this framework translates to contemporary space governance, drawn directly from the dossier's applied-literature review.

Cross-domain treaty-mechanism transfer (aviation and maritime precedent)

Stilwell's method is comparative institutional design: identify how aviation (ICAO) and maritime (IMO, UNCLOS) regimes solved deconfliction, liability, and standards-harmonization for global commons, then test which mechanisms transfer to space and which do not. The IADC debris-guidelines pathway through COPUOS is her template for how a technical consensus becomes adopted soft law. *Key work:* the ASCEND 2025 IADC-pathway argument; corroborated by McCormick, Ligor, McClintock, "Cross-Domain Lessons for Space Traffic Management" (RAND, 2023), doi:10.7249/rra2208-2.

Space translation

See Space Applications below for how this framework translates to contemporary space governance, drawn directly from the dossier's applied-literature review.

Human factors and aviation safety culture in orbital operations

Extending the aviation analogy beyond traffic structure, Stilwell argues the *operator-side* safety frameworks of aviation (crew resource management, just-culture reporting, human-factors standards) are transferable to space operators as the demand for skilled orbital operations grows. *Key work:* Stilwell, Quakenbush, Giles, Dailey, "Human Factors in Space Operators: Leveraging Aviation Safety Frameworks for Enhanced Orbital Domain Resilience" (AMOS 2025), doi:10.64861/jsgc2795.

Space translation

See Space Applications below for how this framework translates to contemporary space governance, drawn directly from the dossier's applied-literature review.