Journal of Systems Engineering Practice
Architecture, Lifecycle Fidelity, and the Emerging Digital Thread
Rapid booster reuse has transformed launch economics, but the deeper systems engineering challenge — integrating thermal protection health, structural prognostics, regulatory compliance, and cross-domain Model-Based Systems Engineering across a vehicle's operational life — remains incompletely solved. This article surveys the current state of the art, identifies unresolved problems, and outlines a path toward fully integrated lifecycle management for orbital-class reusable systems.
Bottom Line Up Front (BLUF)
Reusable orbital launch vehicles have already achieved dramatic cost reductions — SpaceX's Falcon 9 now accounts for more than half of all global orbital launches, with a single booster demonstrating 33 flights and a record nine-day turnaround — yet the systems engineering discipline supporting multi-flight certification, thermal protection health management, rapid ground processing, and regulatory compliance frameworks has not kept pace with operational tempos. Model-Based Systems Engineering (MBSE) integrated with digital twin technology represents the most promising path forward, providing continuous lifecycle traceability from conceptual sizing through high-flight-count operations. Practitioners should treat reusability not as a design feature but as a systems-level property that must be engineered from trade-space definition through retirement, with full-fidelity Integrated Vehicle Health Management (IVHM) as its operational backbone.
The operational realities of reusable orbital launch vehicles have outpaced the systems engineering methodologies originally developed to support them. When NASA's Advanced Concepts Office at Marshall Space Flight Center developed the analytical frameworks described in the SSEC proceedings — using tools such as INTROS, LVA, and POST alongside the PARSEC collaborative environment — the underlying assumption was that a vehicle would fly once, or at most a small number of times, before undergoing substantial refurbishment or retirement. The paradigm shift introduced by commercially developed reusable first stages, and now emerging fully reusable two-stage systems, demands a fundamental re-examination of how systems engineers define, verify, and sustain the concept of "airworthiness" across dozens or hundreds of flights.
This article synthesizes recent developments in operational reusable launch vehicles, thermal protection systems engineering, structural health monitoring, Model-Based Systems Engineering adoption, digital twin integration, and the regulatory landscape to provide a comprehensive view of where the discipline stands in early 2026 — and what must be done next.
1. The Operational Landscape: Reusability as an Industrial Reality
As of early 2026, the reusable launch vehicle industry has achieved a scale that would have seemed implausible a decade ago. The FAA found that more than 60% of all orbital launches in 2024 involved some reusable technology.[1] SpaceX's Falcon 9 and Falcon Heavy rockets completed 134 total flights in 2024 — the most by any launch provider in a single year, accounting for more than half of all launches worldwide.[2] A single Falcon 9 booster, B1067, has now flown 28 times, well exceeding the original ten-flight certification target set when the Block 5 variant debuted in 2018.[3] Most dramatically, booster B1088 achieved a turnaround from landing to next launch in nine days, three hours, and 39 minutes in March 2025 — a figure that would have been dismissed as operationally impossible under prior assumptions about post-flight refurbishment.[4]
Blue Origin entered the orbital reusable category meaningfully in November 2025, when its New Glenn rocket successfully landed its first stage on a drone ship in the Atlantic following its second flight, making Blue Origin only the second company after SpaceX to accomplish propulsive recovery of an orbital-class booster.[5] In China, Deep Blue Aerospace and at least eight other startups are developing partially reusable vehicles, with nine Chinese firms planning rocket debuts in the near term, at least half developing partially reusable designs.[6] India's ISRO completed its third and final glide test of the Pushpak reusable spaceplane in 2024 and is now targeting an orbital launch and return mission.[6]
| Vehicle | Developer | Reusable Stage(s) | Notable Milestone | Status |
|---|---|---|---|---|
| Falcon 9 Block 5 | SpaceX (USA) | First stage, fairings | 33 flights, single booster; 9-day turnaround | Operational |
| Falcon Heavy | SpaceX (USA) | All three cores | Synchronized side-booster recovery | Operational |
| Starship / Super Heavy | SpaceX (USA) | Both stages (target) | Mechazilla booster catch; 11 integrated flights through Oct. 2025 | Development/Test |
| New Glenn | Blue Origin (USA) | First stage | First propulsive landing Nov. 2025 | Early operations |
| Nova | Stoke Space (USA) | Both stages (target) | Space Force OSP-4 contract award | Development |
| Long March 12A | CASC (China) | First stage (target) | Maiden flight Dec. 2025; stage lost on landing | Development |
| Pushpak RLV | ISRO (India) | Winged orbiter | Third glide test complete 2024 | Development |
The global reusable launch vehicle market was valued at approximately USD 4.77 billion in 2025, with North America holding a 38.7% market share.[7] Projections for the broader space launch services market reach USD 57.94 billion by 2033 at a compound annual growth rate of 13.15%.[1] Mega-constellations are a primary driver: the Satellite Industry Association reported that 4,562 low-Earth-orbit satellites were launched in 2024 alone, with projections of up to 50,000 by 2030.[1]
2. Systems Engineering Challenges Unique to Reusable Vehicles
The fundamental systems engineering challenge of a reusable orbital launch vehicle is different in kind, not merely degree, from that of an expendable system. An expendable vehicle must be verified as safe for exactly one flight. A reusable vehicle must be verified as safe for flight N, conditioned on the history of flights 1 through N–1 and the results of intervening inspections and refurbishments. This introduces a time-evolving, state-dependent reliability model that conventional design-time analysis cannot fully capture.
2.1 Thermal Protection Systems
The Thermal Protection System remains the most demanding subsystem in reusable vehicle design. The requirement is formidable: a TPS must be lightweight, durable, operable, and reusable, ideally for at least 100 missions, while exhibiting an order-of-magnitude reduction in maintenance and inspection requirements relative to the Space Shuttle orbiter's TPS — which required extensive labor-intensive tile inspection and replacement between flights.[8] The Space Shuttle experience demonstrated that TPS systems covering various parts of the orbiter were repeatedly exposed to temperatures beyond their true reuse limits, causing embrittlement, edge slumping, and coating cracking — a lesson that must inform all subsequent designs.[8]
Modern research has moved toward a multi-material, zone-specific TPS philosophy. At temperatures above 1700 K, carbon/silicon carbide composites are required; alumina ceramic matrix composites handle engine heat shields up to 1850 K; and lighter metallic thermal protection panels using gamma-titanium aluminide serve lower-temperature leeward surfaces below 1100 K.[9] The superalloy honeycomb TPS concept — a foil-gauge metallic box encapsulating low-density fibrous insulation — is being actively improved for reusable launch vehicle applications, with efforts focused on more efficient internal insulation, lighter weight configurations, and quick-release fastener systems that allow rapid field replacement.[10]
The 2025 AIAA Aviation Forum highlighted a new generation of "smart TPS" approaches that integrate adaptive materials, embedded sensor networks, and AI-driven analytics to enable real-time thermal management and structural adjustments across reusable spacecraft, hypersonic vehicles, and deep-space mission vehicles.[11] Aerogels, phase change materials, and ultra-high-temperature ceramics are now being evaluated as lightweight high-performance solutions for next-generation vehicles. Despite progress, challenges in integration, testing, and scalability persist, particularly in self-healing material systems and autonomous thermal management.[11]
2.2 Structural Health Monitoring and Integrated Vehicle Health Management
The loss of Space Shuttle Columbia in 2003 highlighted in the starkest possible terms the consequences of inadequate in-flight structural health monitoring (SHM). Investigators examined more than 30,000 documents, conducted more than 200 formal interviews, heard testimony from dozens of expert witnesses, and reviewed thousands of public inputs — a process that ultimately concluded with a call for fundamentally better TPS inspection capabilities.[12] Among the non-destructive evaluation methods subsequently developed, advanced digital radiography, high-resolution computed tomography, thermographic principal component analysis, and eddy current array scanning demonstrated maturity sufficient for application to critical structural panels.[12]
Future reusable vehicles will require a step-change beyond post-flight inspection to continuous in-situ SHM using large arrays of onboard sensors feeding Integrated Vehicle Health Management (IVHM) systems. Advanced data architectures capable of communicating, storing, and processing massive quantities of heterogeneous sensor data will be necessary, along with structural analysis algorithms that incorporate SHM sensing into design and construction from the outset — and ultimately provide not just diagnosis but prognosis of structural integrity for flight certification decisions.[13] Digital Bayesian network-based frameworks coupled with deep learning have demonstrated crack propagation prediction with final errors below 8%, validating the approach for life-prediction in aerospace structural components.[14]
2.3 The Two-Stage Reusability Engineering Divide
The industry is currently split between two philosophical camps in upper-stage reusability. The "airplane-like reflight" approach pursued by SpaceX for Starship involves an entire upper stage returning to Earth using a heavy thermal protection system and aerodynamic surfaces — a configuration that creates an inherent tension between payload capacity and recovery hardware mass, since the vehicle must carry the weight of its heat shield and landing propellant throughout ascent.[15] The alternative "modular recovery" philosophy focuses on recovering only the highest-value components — engines, avionics — while treating tankage as expendable. Both approaches carry distinct systems engineering implications for mass budgeting, reliability modeling, and ground processing architecture. The recent Falcon 9 upper-stage deorbit failure in February 2026, which temporarily grounded the fleet, underscored that even "expendable" second stages introduce systemic risk requiring careful configuration management and failure mode engineering.[15]
3. Model-Based Systems Engineering and the Digital Thread
The transition from document-centric systems engineering to Model-Based Systems Engineering (MBSE) represents the most significant methodological shift in the field in the past two decades, and it is particularly consequential for reusable vehicle programs where design traceability and lifecycle continuity are paramount. MBSE uses graphical, dynamic, and executable models as the primary means of information exchange — replacing static documents with living representations of system requirements, architecture, behavior, and verification status that can be continuously updated as vehicle configuration evolves across its operational life.[16]
By 2025, MBSE has matured from a niche research methodology into an operational standard across aerospace, automotive, and defense industries. INCOSE has formalized MBSE practices into globally adopted standards, and major programs including NASA's Mars Curiosity Rover mission have demonstrated MBSE as an effective mechanism for ensuring system safety and cross-subsystem consistency in complex space systems.[17] The 2025 MBSE Symposium held in Huntsville, Alabama — co-located with digital engineering workshops sponsored by Dassault Systèmes — reflected the depth of institutional investment now directed at scaling MBSE across complex multi-domain programs.[18]
The integration of MBSE with digital twin (DT) technology represents the frontier of systems engineering practice for reusable vehicles. A digital twin is an interactive, real-time digital representation of a physical system that uses onboard sensor data and telemetry to maintain synchronization with the physical asset.[19] For a reusable launch vehicle, a properly configured digital twin would continuously update the vehicle's structural model with flight-by-flight load measurements, TPS temperature history, propulsion cycles, and landing impact data — enabling probabilistic certification decisions that account for actual vehicle history rather than worst-case design assumptions.
A 2025 systematic review published in the Systems Engineering journal identified two principal categories of DT–MBSE integration: MBSE-based digital twins, where MBSE models serve as the foundation for constructing the twin; and digital twins that use MBSE system models as reference architectures for data interpretation.[20] The review noted that integrating DT development with MBSE can introduce system-of-systems complexity, particularly when third-party or legacy components are involved, requiring careful attention to model governance and version control.[21]
Analytical Framework Note
The MSFC Advanced Concepts Office's PARSEC environment — described in the foundational systems analysis literature and now archived at the NASA Technical Reports Server — provided an early precedent for collaborative, database-centered design environments in which analysts from multiple disciplines contribute to a shared project database while maintaining individual analytical workspaces. The conceptual architecture of PARSEC anticipates key elements of modern MBSE platforms, including centralized data repositories, plug-in analytical modules, and integrated communication channels for distributed teams. Modern cloud-based MBSE platforms now execute this architecture at internet scale, enabling globally distributed design teams to collaborate on a single authoritative system model in real time — a capability that is essential for the international consortia increasingly characteristic of commercial and governmental space programs.
4. Regulatory Architecture and Legal Landscape
The regulatory framework governing reusable orbital launch vehicles has struggled to keep pace with operational reality. Under 14 C.F.R. Parts 400–460, the FAA's Office of Commercial Space Transportation licenses each launch and re-entry, with safety, risk, and financial responsibility requirements assessed at the program level. Each Starship test flight has required individual FAA launch licenses, and each has had multiple associated reviews — a process SpaceX publicly criticized as "repeatedly derailed by issues ranging from the frivolous to the patently absurd" in August 2024.[22]
Environmental compliance has been a major complicating factor. Following the April 2023 first Starship integrated flight test — which caused substantial damage to the launch pad, scattered particulate matter as far as six miles from the site, and sparked a 3.5-acre fire on state park land — a coalition of environmental organizations filed suit in federal court in Washington, D.C., against the FAA for allegedly failing to conduct a full Environmental Impact Statement before issuing Starship's Part 450 launch license.[23] SpaceX successfully moved to intervene as a co-defendant.[24] The FAA subsequently completed a full EIS process, and in May 2025 authorized SpaceX to conduct up to 25 Starship launches per year from Starbase — a fivefold increase from the prior limit of five.[25] A separate Department of the Air Force Record of Decision issued in December 2025 authorized up to 76 launches and 152 landings annually from Cape Canaveral Space Force Station, pending FAA completion of a supplemental airspace analysis.[26]
The regulatory tension extends to enforcement. In 2024, the FAA proposed civil penalties against SpaceX related to alleged licensing and safety violations on two earlier launches, and the Texas Commission on Environmental Quality issued a separate enforcement action for Clean Water Act violations at Starbase.[22] These proceedings highlight a fundamental systems engineering governance issue: the FAA's current licensing regime was designed for infrequent, individually inspected launches — not for a vehicle certified to fly dozens of times per year. The development of a risk-informed, flight-history-based certification framework analogous to those used in commercial aviation airworthiness standards is an urgent priority.
5. Trajectory Tools and Mission Analysis for Reusable Configurations
Mission analysis for reusable vehicles differs substantially from expendable trajectory optimization because the vehicle's mass properties, engine performance margins, and propellant reserves must simultaneously satisfy both the outbound mission requirements and the return-to-Earth recovery sequence. The Program to Optimize Simulated Trajectories (POST), long a workhorse of NASA's MSFC Advanced Concepts Office for ascent and reentry analysis, remains relevant in modern reusable vehicle development. However, the growing complexity of propellant reserve allocation, entry guidance, and precision landing requirements has driven development of more sophisticated multi-phase trajectory optimization tools.
For low-thrust applications — nuclear-electric propulsion, solar electric propulsion, and emerging in-space transportation architectures — the MSFC-managed Low Thrust Trajectory Tool suite, including ChebyTOP and VariTOP and newer codes like MALTO and Copernicus, provides the analytical foundation for interplanetary mission analysis. The goal of this suite, as documented in MSFC technical literature, is to bring state-of-the-art convergence reliability and user-friendliness to low-thrust trajectory analysis across all NASA centers. The emergence of reusable in-space transfer vehicles — depot-serviced orbital tugs capable of multiple round trips — extends these trajectory analysis requirements to include propellant replenishment planning, vehicle state estimation across multiple mission legs, and multi-body gravity assist optimization.
6. The Iterative Concurrent Engineering Imperative
The foundational systems engineering concept illustrated in the MSFC Advanced Concepts Office framework — where a preliminary design team develops low-fidelity architectural trades that are subsequently handed off to a detailed analysis team such as VIPA for higher-fidelity validation — remains valid in its essential logic. What has changed is the speed, data richness, and computational fidelity at which each tier operates, and the degree to which they must remain coupled throughout the vehicle's operational life rather than separating at a design freeze milestone.
SpaceX's iterative approach to Starship development — building and flying vehicles in rapid succession, accepting failures as data points, and incorporating lessons learned into the next vehicle batch — represents an extreme implementation of concurrent engineering that challenges classical systems engineering V-model doctrine. The ten Starship integrated flight tests conducted through October 2025 each incorporated design modifications from the previous test, compressing what would traditionally be years of analysis and ground testing into months of flight data collection.[5] This approach produces extraordinary learning rates but raises legitimate questions about how verification evidence accumulates in a system that is continuously changing, and how design margins are established and tracked across a non-stationary vehicle configuration.
The aerospace industry's response to this challenge has been to invest heavily in MBSE's authoritative source-of-truth architecture, in which every design change is reflected in the system model and automatically propagates through requirements traceability, interface definitions, and verification cross-references. By employing MBSE, aerospace engineers can simulate and validate designs much earlier in the process, reducing both time and cost — and the success of reusable rocket component programs has been cited as a concrete demonstration of MBSE's power to optimize resource use and accelerate development cycles.[27]
7. Open Research Challenges
Despite substantial progress, several systems engineering challenges for reusable orbital launch vehicles remain inadequately solved.
- Multi-flight certification methodology. The FAA's current licensing regime provides no standardized framework for certifying a reusable booster for its 20th or 30th flight based on accumulated flight history, TPS sensor data, and probabilistic structural models. Development of a risk-informed, flight-history-based certification standard — analogous to Federal Aviation Regulation Part 25 continuous airworthiness standards for transport category aircraft — is the most urgent regulatory systems engineering need in the industry.
- TPS autonomous inspection and repair. Current TPS inspection relies heavily on human technicians examining thousands of individual tiles or blanket sections between flights. Autonomous robotic inspection integrated with AI damage detection, digital twin updating, and predictive maintenance scheduling is essential to achieving the rapid turnaround rates that fully reusable vehicles require. Research into self-healing materials and hybrid active/passive TPS systems is ongoing but has not yet reached the manufacturing readiness levels required for operational deployment.[11]
- MBSE–digital twin integration maturity. While the conceptual framework for combining MBSE with digital twins is well established in the literature, integrating DT development with MBSE throughout a complex system's lifecycle remains difficult in practice. DT development is highly system-specific and often requires additional effort that begins after initial system fielding — complicating its integration with MBSE, which is generally applied throughout the design lifecycle. The risk of creating a system-of-systems governance problem, in which the digital twin and the physical vehicle diverge in undocumented ways, demands formal model governance protocols that do not yet exist as industry standards.[21]
- Ground systems and launch site capacity. Cape Canaveral's 50-year forward infrastructure plan, initiated in 2024, anticipates a major increase in launch cadence and landing operations — including port and transportation upgrades to support the new generation of vehicles.[5] Ground processing system design — including propellant loading architectures, booster inspection facilities, and pad turnaround sequencing — is itself a complex systems engineering problem that receives less scholarly attention than vehicle design but is equally important to the economics and safety of reusable launch operations.
8. Conclusion
Reusable orbital launch vehicles have transitioned from aspiration to operational reality at a pace that has consistently outrun the maturation of supporting systems engineering methodologies. The classical tools of the trade — parametric sizing models, trajectory optimization codes, structural load analysis, cost and reliability assessment — remain relevant and necessary, but they are no longer sufficient. The multi-flight operational life of a reusable booster demands that systems engineers expand their analytical horizon from launch day to encompass the full lifecycle: from conceptual trade space development through high-flight-count operations, sustained by continuous structural health monitoring, probabilistic certification updates, and a digital twin synchronized to each vehicle's actual flight history.
Model-Based Systems Engineering, integrated with digital twin technology and anchored by a rigorous digital thread from design through operations, provides the methodological architecture required for this expanded scope. The regulatory framework must evolve in parallel, moving from per-launch licensing toward risk-informed continuous airworthiness certification grounded in vehicle health data. The organizations — governmental and commercial — that master this integrated systems engineering approach will define the architecture of human access to space for the next half-century.
Verified Sources & Formal Citations
References
-
Precedence Research. "Space Launch Services Market Revenue to Attain USD 57.94 Bn by 2033." Precedence Research Market Intelligence, 2025. Citing Satellite Industry Association (SIA) 2024 Report and FAA Commercial Space Transportation data.
https://www.precedenceresearch.com/press-release/space-launch-services-market -
Gebhardt, C., Davenport, H., et al. "SpaceX achieves record-breaking 2024, looks ahead to 2025." NASASpaceFlight.com, January 4, 2025.
https://www.nasaspaceflight.com/2025/01/spacex-roundup-2024/ -
Wikipedia contributors. "List of Falcon 9 first-stage boosters." Wikipedia, The Free Encyclopedia, March 2026. [Cites SpaceX official communications and NASASpaceFlight tracking data.]
https://en.wikipedia.org/wiki/List_of_Falcon_9_first-stage_boosters -
Kurkowski, S. "Another Record: Falcon 9 achieves the quickest turnaround time of 9 days!" The Weekly Spaceman, March 22, 2025.
https://www.theweeklyspaceman.com/articles/falcon-9-fastest-reuse-to-date -
Wikipedia contributors. "Reusable launch vehicle." Wikipedia, The Free Encyclopedia, March 2026. [Cites Blue Origin, SpaceX, CASC, and ISRO official communications; Cape Canaveral 50-year planning documents.]
https://en.wikipedia.org/wiki/Reusable_launch_vehicle -
American Institute of Aeronautics and Astronautics. "Widespread reusability starts to become a reality." Aerospace America, Year in Review, March 2025.
https://aerospaceamerica.aiaa.org/year-in-review/widespread-reusability-starts-to-become-a-reality/ -
Coherent Market Insights. "Reusable Launch Vehicle Market Size and Forecast, 2025–2032." CMI Report, 2025.
https://www.coherentmarketinsights.com/industry-reports/reusable-launch-vehicle-market -
National Academies of Sciences, Engineering, and Medicine. "Chapter 4: Thermal Protection System." In Reusable Launch Vehicle Technology Development and Test Program. National Academies Press, 1995.
https://www.nationalacademies.org/read/5115/chapter/6 -
Le, V.T., Ha, N.S., and Goo, N.S. "Advanced sandwich structures for thermal protection systems in hypersonic vehicles: A review." Composites Part B: Engineering, vol. 226, p. 109301, December 2021. DOI: 10.1016/j.compositesb.2021.109301.
https://www.sciencedirect.com/science/article/abs/pii/S1359836821006752 -
NASA Langley Research Center / McDonnell Douglas. "Development of Metallic Thermal Protection Systems for the Reusable Launch Vehicle." OSTI.GOV, Report No. OSTI 627621, 1997.
https://www.osti.gov/biblio/627621 -
Multiple authors. "Evolving Thermal Protection Systems: Reviewing Materials, Sensing, and Smart Solutions." AIAA Aviation Forum and ASCEND 2025 Conference Proceedings, Paper 6.2025-4066. Copyright © 2025, American Institute of Aeronautics and Astronautics.
https://arc.aiaa.org/doi/10.2514/6.2025-4066 -
Columbia Accident Investigation Board. Report of the Columbia Accident Investigation Board, Vol. I. NASA and the Government Printing Office, August 2003. [As cited in ResearchGate review of SHM for reusable launch vehicles.]
https://www.researchgate.net/publication/261014233_Structural_Health_Monitoring_and_Risk_Management_of_a_Reusable_Launch_Vehicle -
Huybrechts, S., et al. "Structural Health Monitoring and Risk Management of a Reusable Launch Vehicle." Journal of Spacecraft and Rockets, AIAA. DOI: 10.2514/1.A32156.
https://doi.org/10.2514/1.A32156 -
ScienceDirect / Elsevier. "A review on research progress of large area thermal protection structures for hypersonic vehicles." Composites Science and Technology, April 2025. DOI: 10.1016/S0095-4562(25)00205X.
https://www.sciencedirect.com/science/article/abs/pii/S009457652500205X -
Oler, J. "Seattle's Lessons for Rocket Reusability." Cited in: "Orbital Infrastructure: The Engineering Hurdles of Upper Stage Reusability." SatNews, February 19, 2026.
https://news.satnews.com/2026/02/19/orbital-infrastructure-the-engineering-hurdles-of-upper-stage-reusability/ -
Altium Resources. "Model-Based Systems Engineering in the Era of Digital Twins: A Paradigm Shift in Electronic Product Development." Altium.com, November 19, 2024; updated June 25, 2025.
https://resources.altium.com/p/model-based-systems-engineering-in-the-era-of-digital-twins -
MachineCircuit. "Model-Based Systems Engineering (MBSE) Guide 2025." MachineCircuit.com, October 2, 2025. [Cites INCOSE Systems Engineering Handbook and NASA case studies.]
https://machinecircuit.com/model-based-systems-engineering-mbse-guide-2025/ -
NDIA Tennessee Valley Chapter. "2025 Model Based Systems Engineering Symposium." Event proceedings, May 21–22, 2025, Huntsville, AL.
https://www.ndiatennvalley.org/2025MBSE -
Madni, A.M., et al. "Digital Twin-enabled MBSE Testbed for Prototyping and Evaluating Aerospace Systems: Lessons Learned." 2021 IEEE Aerospace Conference, Big Sky, MT. DOI: 10.1109/AERO50100.2021. [Cited in MDPI 2025 review.]
https://ieeexplore.ieee.org/document/9773869/ -
Rojas Ibarra, et al. "A Categorization of Digital Twin and Model-Based System Engineering Interactions." Applied Sciences (MDPI), vol. 15, no. 10, article 5333, May 10, 2025.
https://www.mdpi.com/2076-3417/15/10/5333 -
Bickford, J., et al. "Operationalizing digital twins through model-based systems engineering methods." Systems Engineering, vol. 23, pp. 724–750, 2020. Cited in: Oord, A. et al. "Exploring the integration of model-based systems engineering and digital twins in complex system lifecycle management." Journal of Systems Engineering, published online September 13, 2025. DOI: 10.1080/14488388.2025.2559551.
https://www.tandfonline.com/doi/full/10.1080/14488388.2025.2559551 -
Reyes, O. "Elon Musk takes campaign against the regulatory state from labor to aviation." Legal Dive, September 27, 2024.
https://www.legaldive.com/news/elon-musk-takes-campaign-against-the-regulatory-state-from-labor-to-aviatio/728337/ -
Aero-News Network. "FAA Sued Over SpaceX Starship Launch." ANN, May 2023. [Covers Center for Biological Diversity et al. v. FAA, U.S. District Court, Washington, D.C.]
http://aero-news.net/index.cfm?do=main.textpost&id=5d1f8fbd-7ab4-45f1-b152-22b7d76d7c40 -
CNBC Staff. "SpaceX set to join FAA to fight environmental lawsuit that could delay Starship work." CNBC, May 23, 2023.
https://www.cnbc.com/2023/05/22/spacex-joining-faa-to-fight-environmental-lawsuit-over-starship.html -
CNBC Staff. "SpaceX gets FAA permission for fivefold increase in Starship launches from Texas." CNBC, May 6, 2025.
https://www.cnbc.com/2025/05/06/spacex-gets-faa-permission-for-fivefold-increase-in-launches-in-texas.html -
Department of the Air Force / Justia Regulation Tracker. "Notice of Record of Decision for the Environmental Impact Statement for SpaceX Starship-Super Heavy at Cape Canaveral Space Force Station, Florida." Federal Register Vol. 90, No. [date], FR Doc No. 2025-23314. December 18, 2025.
https://regulations.justia.com/regulations/fedreg/2025/12/18/2025-23314.html -
Sheikh, A. "Unleashing the Power of MBSE, Digital Thread, and Digital Twin Technologies in Aerospace." LinkedIn Pulse, March 13, 2024.
https://www.linkedin.com/pulse/unleashing-power-mbse-model-based-systems-engineering-arif-sheikh-tnhpe -
Alexander, R. "Space Vehicle Systems Analysis: MSFC Tools and Processes." Session Paper GT-SSEC.A.2, Systems Analysis and Systems Engineering Conference, NASA Marshall Space Flight Center, Advanced Concepts Office. [Foundational reference — source document for this review.]
No comments:
Post a Comment