Sustainability, Ethics and Space Governance

Introduction and Context

Satellite communication has become critical infrastructure for navigation, broadcasting, broadband access, disaster response, finance, agriculture, environmental monitoring and national security. Its benefits, however, depend on the continued availability of a limited and shared orbital and radio-frequency environment. Orbits and spectrum are not ordinary commercial resources: harmful interference, collision risk, debris generation and irresponsible data use can impose costs on users who were not involved in creating them.

Sustainability in satellite communication therefore extends beyond reducing spacecraft power consumption. It includes preserving the long-term usability of orbital regions and spectrum, controlling environmental impacts, protecting human rights, ensuring equitable access, and maintaining accountability for activities conducted in space. Ethics addresses what operators ought to do; governance establishes who may decide, under which rules, with what information and with what enforcement mechanisms.

This chapter examines orbital debris, collision avoidance, space-traffic management, end-of-life disposal, environmental effects, spectrum equity, privacy, surveillance, dual-use technologies and responsible-space principles. The central argument is that technical design, operational practice, law and ethics must be treated as an integrated engineering problem.

Learning Objectives

After completing this chapter, the learner should be able to:

1. Explain the sources, consequences and measurement of orbital debris.

2. Distinguish space situational awareness, space-traffic coordination and space-traffic management.

3. Evaluate collision avoidance and end-of-life disposal strategies.

4. Analyse environmental effects across the satellite life cycle.

5. Explain the regulatory foundations of spectrum and orbital access.

6. Assess privacy, surveillance and dual-use concerns in satellite systems.

7. Apply responsible-space principles to engineering and managerial decisions.

8. Critically evaluate a satellite operator’s sustainability and governance plan.

1. Sustainability as a Systems Property

A satellite system is sustainable when it can deliver useful services over time without degrading the orbital, radio-frequency, environmental or social conditions required by present and future users. Sustainability is consequently a system property rather than a feature of one subsystem.

A useful life-cycle view contains five stages:

• Manufacturing: extraction of materials, semiconductor fabrication, propellant production and supply-chain emissions.
• Launch: vehicle production, launch emissions, range safety and the risk of launch failure.
• Operations: energy generation, ground-station electricity, spectrum use, station keeping and collision risk.
• Disposal: controlled re-entry, movement to a disposal orbit or passivation.
• Post-mission effects: surviving debris, atmospheric deposition, abandoned hardware and continuing interference.

Sustainability decisions involve trade-offs. A larger satellite may provide more capacity per launch but create a larger casualty risk at re-entry. A constellation may improve connectivity and resilience but increase tracking, coordination and deorbiting requirements. Optical inter-satellite links can reduce reliance on terrestrial gateways but introduce new pointing, interoperability and cybersecurity concerns.

The engineering objective is not zero risk, which is generally unattainable, but demonstrably reduced and managed risk. This requires measurable requirements, traceable decisions, independent review and continuous operational feedback.

2. Orbital Debris and the Collision Environment

Orbital debris is any human-made object in space that no longer serves a useful purpose. It includes inactive satellites, spent rocket bodies, mission-related objects, fragments from explosions or collisions, and small particles such as paint flakes. Even small debris can be dangerous because orbital velocity is several kilometres per second. Collision energy increases with mass and with the square of relative velocity; hence a small fragment can damage a spacecraft’s thermal protection, solar arrays or pressure vessels.

2.1 Sources of debris

The principal sources are:

1. Fragmentation events: accidental collisions, battery explosions, residual propellant explosions and structural failures.

2. Mission-related objects: lens covers, separation hardware, bolts and protective components released during deployment.

3. Abandoned spacecraft and launch stages: objects that remain in orbit after useful operation.

4. Operational breakups: failures caused by poor passivation, software faults or loss of attitude control.

5. Large constellations: many spacecraft increase the number of potential conjunctions even when each individual satellite has a low failure probability.

Debris is concentrated in particular orbital regimes. Low Earth orbit contains many Earth-observation and broadband satellites, while geostationary orbit contains valuable communications spacecraft and transfer-stage remnants. The consequences differ: low Earth orbit is exposed to atmospheric drag, whereas geostationary objects can remain for very long periods.

2.2 The runaway growth problem

The Kessler syndrome describes a possible condition in which collision-generated fragments create more collisions, producing a self-sustaining increase in debris. It is not a claim that every collision inevitably causes such a cascade. The outcome depends on object density, collision probability, orbital altitude, fragment distribution, removal rates and the effectiveness of mitigation and remediation.

A basic collision-risk approximation is often expressed as:

\[

P_c = 1 - e^{-N_c}

\]

where \(P_c\) is the probability of at least one collision during a specified encounter or time interval and \(N_c\) is the expected number of collision events under a Poisson model. For small \(N_c\), \(P_c \approx N_c\). This approximation assumes statistically independent events and a suitably defined encounter model; it is not a substitute for covariance-based conjunction analysis.

For an individual conjunction, probability estimates depend on relative position, velocity, tracking uncertainty, object dimensions, hard-body radius and the selected probability model. A numerical probability should therefore never be interpreted without its time window, uncertainty assumptions and decision threshold.

2.3 Debris mitigation and remediation

Mitigation prevents new debris. Measures include passivation of stored energy, limiting release of mission-related objects, designing for failure containment, collision avoidance capability, and reliable end-of-life disposal.

Remediation removes existing objects. Concepts include active debris removal, servicing, towing, electrodynamic tethers and robotic capture. Remediation is technically difficult and politically sensitive because approaching another state’s spacecraft may be interpreted as hostile or may create ownership and liability disputes. Priority should normally be given to large, massive objects whose removal produces the greatest reduction in long-term collision risk.

3. Space Situational Awareness and Space-Traffic Management

Three related concepts should be distinguished.

Space situational awareness (SSA) is the collection and interpretation of information about objects, space weather and the space environment. It includes detection, tracking, orbit determination, characterization and conjunction assessment.

Space traffic coordination is the exchange of information and operational communication among operators, tracking organizations and authorities to reduce interference and collision risk.

Space-traffic management (STM) is the broader institutional and regulatory framework that establishes responsibilities, standards, data-sharing rules, notifications and responses.

SSA data are obtained from ground-based radar, optical telescopes, space-based sensors, satellite telemetry and operator ephemerides. No sensor observes every object continuously. Measurements contain errors, and orbit predictions become less certain with time because of atmospheric drag, solar radiation pressure, manoeuvres and imperfect force models.

3.1 Conjunction assessment

A conjunction is a predicted close approach between two space objects. Operators generally follow a process of:

1. receiving or generating tracking data;

2. propagating both trajectories to a common epoch;

3. estimating the time and geometry of closest approach;

4. evaluating uncertainty and collision probability;

5. contacting the other operator when appropriate;

6. selecting, validating and executing a manoeuvre; and

7. confirming the post-manoeuvre trajectory.

The most difficult decision is often not detecting a conjunction but deciding whether to manoeuvre. A manoeuvre consumes propellant, may interrupt service, can create a new conjunction and may be impossible if the satellite is performing a time-critical mission. A no-manoeuvre decision should be documented rather than treated as inaction.

3.2 Operational coordination

Effective coordination requires common data formats, time standards, contact information, clear authority to command a manoeuvre, and agreed conventions for ephemeris quality and covariance representation. Autonomous collision avoidance can reduce response time, but it must include safeguards against acting on corrupted data, duplicated warnings or conflicting manoeuvre commands. Human oversight remains important for high-consequence decisions.

4. End-of-Life Disposal and Design for Demise

End-of-life planning begins during mission conception, not when propellant is nearly exhausted. A disposal plan should specify the target orbit, propulsion margin, command authority, failure response and verification method.

Typical approaches include:

• Controlled re-entry: the spacecraft is guided so that surviving components fall within a designated uninhabited area. This requires sufficient propulsion, reliable attitude control and acceptable casualty risk.
• Natural decay: atmospheric drag gradually lowers the orbit. It is simple but can take too long and is highly dependent on altitude, area-to-mass ratio and solar activity.
• Transfer to a disposal orbit: commonly used for geostationary spacecraft, which are moved above the protected operational region. The disposal orbit must provide adequate separation and long-term stability.
• Passivation: batteries are discharged or isolated, residual propellants are vented safely, and stored energy is removed to prevent explosions.

A simplified orbital-decay model for a nearly circular low Earth orbit can use atmospheric drag acceleration:

\[

a_D = \frac{1}{2} C_D \frac{A}{m}\rho v^2

\]

where \(a_D\) is drag acceleration, \(C_D\) is the drag coefficient, \(A\) is effective cross-sectional area, \(m\) is spacecraft mass, \(\rho\) is atmospheric density and \(v\) is orbital speed. The equation assumes a defined relative flow and aerodynamic model. Atmospheric density varies greatly with altitude and solar activity, so this expression alone cannot reliably predict re-entry date.

Design for demise seeks to ensure that a spacecraft breaks up or burns in a predictable manner during atmospheric re-entry, reducing the survival of hazardous components. It must be balanced against structural requirements during launch and operation. Operators should also consider the environmental effects of metallic and composite materials deposited in the upper atmosphere.

5. Environmental Effects Across the Life Cycle

Space sustainability includes effects on Earth and the atmosphere.

5.1 Launch and atmospheric effects

Rocket launches produce carbon dioxide, water vapour, particulates and, depending on propellant chemistry, nitrogen oxides, soot and alumina. Effects vary by fuel, engine cycle, launch frequency, altitude of emissions and atmospheric chemistry. It is scientifically inappropriate to assign one universal environmental impact to all launches.

5.2 Ground infrastructure

Satellite networks require gateways, data centres, network operations centres and user terminals. Their impacts include electricity demand, land occupation, cooling requirements, battery disposal and construction. Renewable energy procurement and efficient network architecture can reduce operational emissions, but life-cycle assessment must include embodied emissions in equipment and replacement cycles.

5.3 Atmospheric re-entry and astronomy

Large constellations increase the number of spacecraft re-entering the atmosphere. Concerns include deposition of metals and other materials, effects that are not yet fully characterized, and the visual and radio-frequency impact on astronomical observation. Bright satellite trails can interfere with optical astronomy, while unintended emissions may affect radio astronomy.

Environmental assessment should therefore use a life-cycle approach rather than focusing only on launch emissions. Relevant indicators include energy and greenhouse-gas intensity per delivered bit, material intensity, probability of casualty, number of failed spacecraft, interference events, and expected debris contribution.

6. Spectrum Governance and Equitable Access

Radio spectrum is finite in practical terms because frequencies are shared under technical constraints. Satellite services must coordinate frequency assignments, orbital positions, power levels, antenna patterns, polarization and emission masks. The International Telecommunication Union provides the principal global framework, while national regulators authorize operators within their jurisdictions.

The first-comer advantage can create inequity: organizations with greater financial and administrative capacity may file large numbers of frequency or orbital resources before others can develop services. Formal priority does not automatically establish socially legitimate access. Governance must consider developing countries, scientific users, emergency communications, radio astronomy and public-interest connectivity.

Equity has at least three dimensions:

1. Procedural equity: affected parties can participate in decisions and access relevant information.

2. Distributive equity: benefits and burdens are not allocated solely to powerful operators.

3. Intergenerational equity: present use does not prevent future access.

Efficient spectrum use requires coordination, adaptive sharing, realistic filings, interference protection and enforcement against harmful emissions. Mega-constellations intensify the need for aggregate interference analysis because individually compliant satellites may collectively affect incumbent services.

7. Privacy, Surveillance and Data Governance

Earth-observation satellites can collect high-resolution imagery, synthetic-aperture radar data, radio-frequency measurements and signals related to human activity. Communications satellites may process location, traffic, device identifiers and metadata. Even when content is encrypted, metadata can reveal relationships, routines and sensitive events.

Privacy analysis should distinguish:

• content data: the substantive message or image;
• metadata: information about source, destination, time, location or volume;
• derived data: inferences produced through analytics or machine learning;
• identifiable data: information linked or linkable to a person, household or organization.

Responsible systems apply data minimization, purpose limitation, access control, retention limits, encryption, auditability and lawful disclosure procedures. Privacy protection cannot be achieved solely by encrypting a satellite link if ground systems, application providers or analytics platforms retain unrestricted access.

Surveillance can support disaster response, environmental protection and maritime safety, but it can also enable repression, unlawful targeting or discriminatory monitoring. Ethical review should examine necessity, proportionality, legal authority, accuracy, redress and the risk of function creep.

8. Dual-Use Technology and Security Ethics

Most satellite communication technologies are dual-use. High-throughput payloads support civilian broadband and military connectivity. Precise positioning supports transport and agriculture as well as targeting. Remote sensing supports climate science and intelligence. Cybersecurity tools can protect infrastructure or be used offensively.

A responsible dual-use assessment asks:

• What legitimate benefits does the capability provide?
• What foreseeable harmful uses exist?
• Can access, resolution, revisit rate or tasking be constrained?
• Are customers and end uses screened lawfully and fairly?
• Can misuse be detected and stopped?
• What duties continue after sale or launch?

Export controls and security classifications may be necessary, but secrecy can reduce safety coordination. For example, withholding orbital information may increase collision risk. Governance must distinguish genuinely sensitive information from data whose disclosure would improve collective safety.

Cybersecurity is part of space sustainability. Threats include command-link intrusion, spoofed navigation data, ransomware at ground stations, supply-chain compromise and denial of service. Security engineering should use authentication, key management, segmentation, secure update mechanisms, anomaly detection, incident response and recovery testing. Artificial intelligence may assist anomaly detection and conjunction screening, but opaque models, biased training data and adversarial manipulation require human validation and independent testing.

9. International Legal and Institutional Foundations

The principal legal framework includes the Outer Space Treaty, the Liability Convention, the Registration Convention and the Rescue Agreement, supplemented by national licensing regimes, spectrum regulations and non-binding guidelines. Core principles include non-appropriation of outer space, state responsibility for national activities, authorization and continuing supervision of non-governmental entities, and liability for certain damage.

These instruments were developed before large commercial constellations, autonomous operations and high-volume satellite servicing. Contemporary governance therefore combines treaty obligations with guidelines, standards, contracts, insurance requirements and information-sharing arrangements. A weakness of non-binding rules is inconsistent implementation; a weakness of rigid rules is inability to adapt to emerging technology.

A mature governance model uses:

• internationally compatible minimum standards;
• national licensing and supervision;
• operator-level safety cases and audit trails;
• transparent incident reporting;
• independent investigation of failures;
• mechanisms for consultation and dispute resolution; and
• incentives for verified compliance.

Responsibility cannot be delegated completely to an algorithm, contractor or launch provider. The operator and authorizing state retain governance duties throughout the mission life cycle.

10. Responsible-Space Principles

A practical set of responsible-space principles is:

1. Safety by design: identify hazards early and allocate safety requirements to hardware, software and operations.

2. Prevention before remediation: avoid debris and interference rather than relying on future cleanup.

3. Transparency with security discipline: share information necessary for safety while protecting legitimate sensitive data.

4. Accountability: define who makes decisions and preserve auditable records.

5. Equity: consider less-resourced users, scientific services and future generations.

6. Human rights protection: assess privacy, freedom of expression, non-discrimination and due process.

7. Interoperability: use common formats and procedures for coordination.

8. Resilience: design for failures, cyberattacks, degraded tracking and loss of communications.

9. Reversibility where possible: test new practices incrementally and retain the ability to halt harmful operations.

10. Evidence-based governance: update rules as measurement and scientific understanding improve.

These principles become effective only when translated into requirements, verification methods, operational thresholds and consequences for non-compliance.

11. Applied Case Study: Illustrative Broadband Constellation Decision

Background

A fictional operator, OrbitalNet, proposes 600 low Earth orbit satellites to provide broadband service to rural regions. It promises low latency and universal coverage but has limited experience with autonomous operations.

Problem

The licensing authority must decide whether to approve deployment. Concerns include debris from failed satellites, conjunction workload, radio-frequency interference, atmospheric re-entry effects, privacy risks from network telemetry and unequal access to service.

Analysis

The authority requires a life-cycle safety case. OrbitalNet must demonstrate reliable tracking data, an operator contact centre, autonomous collision-avoidance safeguards, secure command authentication and a documented failure response. It must reserve propulsion margin for disposal and provide evidence that a failed satellite will not remain indefinitely in a protected orbital region.

Spectrum analysis examines aggregate interference rather than only one-satellite emissions. The authority also requires coordination with radio astronomy facilities and publication of relevant operational information. Privacy review identifies that user-location data could be retained for longer than necessary; the operator therefore proposes pseudonymization, strict retention periods and independent audits.

Equity analysis finds that premium pricing could exclude the rural users used to justify the license. The authorization includes measurable coverage and affordability obligations, while preserving competition and avoiding discriminatory service restrictions.

Approach and outcome

Approval is granted conditionally. Deployment is staged, with review gates after each batch. The operator must report failures, conjunction statistics, manoeuvres, interference events and disposal success. An independent review board can suspend further launches if risk thresholds are exceeded.

Learning points

The case illustrates that sustainability is not achieved by a single deorbit promise. It requires technical evidence, staged authorization, spectrum coordination, privacy safeguards, public-interest conditions, transparent reporting and enforceable accountability. It also demonstrates why commercial success and responsible operation must be evaluated together.

12. Challenges and Limitations

Several governance challenges remain. Tracking systems do not observe all small debris, and operators may use different uncertainty models. Collision probabilities can be misunderstood as precise measurements rather than conditional estimates. International data sharing may be limited by security concerns. National licensing creates uneven standards and regulatory arbitrage. Active debris removal raises consent, ownership and liability questions. Environmental impacts of re-entry materials and large constellations require further research.

There is also a risk of procedural compliance without substantive safety. An operator may submit a disposal plan that is technically acceptable but lacks realistic failure contingencies. Similarly, privacy policies may exist without meaningful user control. Effective governance therefore requires verification, audits, incident learning, independent expertise and the ability to impose corrective action.

13. Professional Practice and Best Practices

Engineers and managers should:

• include debris, spectrum, privacy and security requirements in system engineering baselines;
• maintain a mission-end-of-life plan with adequate margin;
• use independent conjunction assessment and clearly defined manoeuvre authority;
• provide accurate ephemerides and timely contact information;
• conduct aggregate interference and life-cycle environmental assessments;
• apply privacy and security by design;
• document assumptions, uncertainty and residual risk;
• rehearse failures, cyber incidents and loss of command;
• report anomalies without concealing near misses;
• engage regulators, affected communities, scientific users and international partners; and
• review AI-enabled decisions for explainability, robustness and human accountability.

Professional competence in satellite communication now includes governance literacy. An engineer must understand not only link budgets and payload performance, but also the legal, environmental and societal consequences of deployment.

Chapter Summary

Satellite communication operates within shared orbital, spectrum and social environments. Sustainability requires life-cycle management of spacecraft, launches, operations and disposal. Orbital debris arises from fragmentation, mission-related objects, abandoned hardware and failures; mitigation prevents new debris, while remediation removes selected existing objects. Collision avoidance depends on accurate tracking, uncertainty analysis, communication and accountable manoeuvre decisions.

Space situational awareness supplies information, space-traffic coordination enables operational cooperation, and space-traffic management provides the institutional framework. End-of-life strategies include controlled re-entry, natural decay, disposal orbits and passivation, with design for demise reducing re-entry hazards. Environmental assessment must include launch emissions, ground infrastructure, re-entry effects and astronomical impacts.

Spectrum and orbital access raise questions of procedural, distributive and intergenerational equity. Satellite data create privacy and surveillance risks, while communications and remote-sensing technologies are inherently dual-use. Responsible governance combines international law, national licensing, technical standards, cybersecurity, transparency, human-rights safeguards and enforceable accountability. The central professional duty is to design and operate systems that provide public value without transferring unacceptable risks to other operators, communities or future generations.

Key Terms

Orbital debris: Human-made space object that no longer performs a useful function.

Kessler syndrome: Possible self-sustaining growth of debris through cascading collisions.

Collision avoidance: Detection, assessment and execution of actions to reduce collision risk.

Conjunction: Predicted close approach between two space objects.

Space situational awareness: Collection and interpretation of information about objects and the space environment.

Space-traffic coordination: Operational exchange of information to reduce collision and interference risks.

Space-traffic management: Governance framework for safe and sustainable space operations.

Passivation: Removal or isolation of stored energy after mission completion.

Controlled re-entry: Guided atmospheric re-entry intended to limit casualty risk.

Disposal orbit: Orbit used to remove a spacecraft from a protected operational region.

Design for demise: Design approach that limits hazardous surviving components during re-entry.

Spectrum equity: Fair allocation and participation in access to radio-frequency resources.

Procedural equity: Fair opportunity to participate in governance decisions.

Dual-use technology: Technology usable for both civilian and military purposes.

Privacy by design: Integration of privacy safeguards throughout system development.

Space sustainability: Long-term preservation of safe, usable and equitable space environments.

Passivation: Removal of residual stored energy to prevent post-mission explosions.

Safety case: Structured evidence demonstrating that risks are identified and controlled.

Review Questions

Short Answer Questions

1. What are the principal sources of orbital debris?

2. Distinguish space situational awareness from space-traffic management.

3. Why is passivation important at the end of a mission?

4. What is meant by spectrum equity?

5. Identify two privacy risks associated with satellite systems.

Long Answer Questions

1. Explain the causes and consequences of orbital debris and compare mitigation with remediation.

2. Describe the complete conjunction-assessment and collision-avoidance process, including its uncertainties.

3. Discuss environmental impacts across the satellite life cycle.

4. Analyse how international law, national licensing and operator standards interact in space governance.

5. Explain how privacy, surveillance and dual-use concerns should influence satellite-system design.

Analytical / Application Questions

1. A satellite has limited propellant and receives three conjunction alerts with different uncertainty levels. Develop a decision framework for determining whether to manoeuvre, identifying the technical, operational and governance factors that must be documented.

2. Evaluate a proposed 1,000-satellite constellation using safety, spectrum, environmental, privacy and equity criteria. Recommend conditions that should be attached to authorization.

3. Design a responsible-space policy for an Earth-observation company using machine learning for automated tasking. Address data governance, human oversight, cybersecurity, dual-use risk and incident reporting.

Multiple Choice Questions with Answers

Question 1

Which statement best distinguishes space situational awareness from space-traffic management?

A. SSA concerns only spectrum, whereas STM concerns only propulsion.

B. SSA provides environmental and object information, whereas STM is the broader governance framework.

C. SSA is a legal treaty, whereas STM is a radar sensor.

D. SSA applies only to military satellites, whereas STM applies only to commercial satellites.

Correct Answer: B. SSA provides environmental and object information, whereas STM is the broader governance framework.

Question 2

What is the primary purpose of passivation?

A. To increase satellite bandwidth after launch

B. To improve optical imaging resolution

C. To remove stored energy that could cause a post-mission explosion

D. To transfer a satellite to geostationary orbit

Correct Answer: C. To remove stored energy that could cause a post-mission explosion

Question 3

In the expression Pc = 1 − exp(−Nc), what does Nc represent?

A. Expected number of collision events under the selected model

B. Satellite dry mass

C. Cross-sectional area of a spacecraft

D. Number of frequency channels

Correct Answer: A. Expected number of collision events under the selected model

Question 4

Why can a small debris fragment cause serious spacecraft damage?

A. It always contains explosive propellant.

B. It travels at high relative velocity, producing substantial collision energy.

C. It is immune to atmospheric drag at every altitude.

D. It automatically changes the spacecraft frequency assignment.

Correct Answer: B. It travels at high relative velocity, producing substantial collision energy.

Question 5

Which of the following is an example of procedural equity in spectrum governance?

A. Giving all spectrum to the largest operator

B. Allowing affected users to participate in decisions and access relevant information

C. Preventing scientific users from filing objections

D. Prioritizing only military applications

Correct Answer: B. Allowing affected users to participate in decisions and access relevant information

Question 6

Which practice best reflects privacy by design?

A. Collecting all possible data indefinitely

B. Using data minimization, access controls and retention limits from the design stage

C. Publishing user locations to improve transparency

D. Relying exclusively on launch-site security

Correct Answer: B. Using data minimization, access controls and retention limits from the design stage

Question 7

Why is autonomous collision avoidance not completely risk-free?

A. Autonomous systems cannot use trajectory data.

B. They may act on corrupted, duplicated or conflicting information.

C. They eliminate the need for tracking.

D. They always consume all remaining propellant.

Correct Answer: B. They may act on corrupted, duplicated or conflicting information.

Question 8

Which action is a debris-mitigation measure rather than a remediation measure?

A. Removing an abandoned rocket body with a servicing vehicle

B. Capturing a fragment using a robotic spacecraft

C. Passivating a spacecraft before disposal

D. Towing an inactive satellite to a graveyard orbit after failure

Correct Answer: C. Passivating a spacecraft before disposal

Question 9

Why are satellite communication technologies commonly described as dual-use?

A. They operate simultaneously in two frequency bands only.

B. They can support civilian services as well as military or security applications.

C. They require two launch vehicles.

D. They are controlled by two independent operators.

Correct Answer: B. They can support civilian services as well as military or security applications.

Question 10

What is the most appropriate governance response to a proposed large constellation?

A. Approve it solely on the basis of projected revenue.

B. Reject all constellations regardless of risk controls.

C. Use staged authorization with technical, spectrum, environmental and accountability requirements.

D. Allow deployment without reporting because tracking is sufficient.

Correct Answer: C. Use staged authorization with technical, spectrum, environmental and accountability requirements.