Design-dependent; transportability does not determine coolant, fuel, spectrum, or conversion cycle.

Transportable & Mobile Reactor
Transportable or mobile describes how a plant is delivered, relocated, or supported—not its neutron physics. Concepts may use heat pipes, gas, water, liquid metal, or other architectures, and must distinguish factory transport from actual operation while moving.
What this reactor category means
A compact reactor plant packaged for transport and site installation, with mobility, relocatability, and operating mode defined by the specific program.
Remote installations, disaster recovery, temporary industrial loads, isolated communities, defense missions, mines, and other logistics-constrained sites.
Technology classification, system relationships, maturity, and engineering challenges only. No design parameters, calculations, control logic, procedures, procurement data, or build instructions.
Core System Elements
The full-width rendering above provides the visual system map. The callouts below identify the principal public-level functions without repeating the same reactor graphic a second time.
- Shielded reactor module
- Transport frame and seismic isolation
- Heat-transport interface
- Power-conversion module
- Site heat-rejection module
- Electrical, monitoring, and control interface
System roles are family-level and intentionally qualitative. Exact geometry, operating conditions, safety classification, equipment boundaries, and licensing basis remain design-specific.
Engineering comparison
Thermal or fast depending on the selected reactor architecture.
Demonstration and licensing-stage concepts with historical precedents; no broad modern commercial fleet.
Rapidly deployable firm power where conventional fuel delivery or grid construction is difficult.
Transport certification, security, safeguards, site preparation, shielding, emergency planning, heat rejection, setup and removal, maintenance access, refueling strategy, jurisdictional licensing, and economics.
Learn the System
This learning layer explains the system in public engineering language. Definitions are intentionally conceptual: they teach terminology and relationships without providing operating procedures, design set-points, construction dimensions, or protected implementation details.
How it works — at a safe public level
- A compact reactor and support equipment are divided into transportable modules.
- Modules are moved to a prepared site and assembled or connected under a defined licensing and security basis.
- The reactor supplies heat to an integrated or adjacent power-conversion system.
- Electricity is conditioned for a local microgrid, critical facility, or remote load.
- At end of mission or campaign, the system may be defueled, serviced, relocated, or decommissioned according to the exact design and regulatory framework.
Terms worth knowing
Transportable reactor
A reactor system designed so major modules can be moved between sites. Transportability does not imply operation while in transit.
Microreactor
A very small reactor class intended for compact, often transportable deployment. Exact power range and architecture vary by program and regulator.
Module
A standardized reactor or plant section intended to be manufactured, transported, installed, or replicated as a defined unit.
Microgrid
A localized electrical network that can coordinate generation, storage, and loads and may operate connected to or isolated from a larger grid.
Black start
The capability to begin restoring electrical service without depending on the normal external grid. Whether a reactor plant can perform this is design-specific.
Heat rejection
Transfer of unusable or excess heat from a system to an external heat sink such as air, water, or space radiators.
Radiation shielding
Material and geometry used to reduce radiation exposure to workers, equipment, passengers, spacecraft, or the public.
Site preparation
Civil, electrical, security, environmental, and utility work needed before installing a transportable or modular energy system.
Passive safety
A safety function that relies strongly on physical effects such as gravity, stored energy, natural circulation, or thermal expansion rather than continuous powered actuation.
FOAK
First-of-a-kind: the first implementation of a new design or major design configuration, typically carrying higher execution and learning risk.
MWe
Megawatts electric: the electrical power output delivered by a generating system.
MWth
Megawatts thermal: the rate of heat production before conversion to electricity or useful process heat.
Where the family fits
Remote Installations
Firm electricity and heat where fuel convoys, transmission lines, or seasonal access create operational risk.
Temporary Critical Loads
Deployable energy studies for recovery bases, emergency logistics, and time-limited industrial work.
Factory-to-Site Delivery
Modular packaging intended to shift construction effort into controlled manufacturing environments.
Standardized fission technical specification
Standardized public-safe fields support comparison across every fission and fusion family. Values are intentionally qualitative; licensing data, dimensions, operating windows, calculations, control logic, and build instructions remain offline.
Underlying reactor-dependent
Underlying reactor-dependent
Underlying design and mission determine fuel and enrichment
Transportable or relocatable deployment format
Electricity and heat for isolated or temporary sites
Demonstrations and active development
Mobility is not a waste solution. Transport security, return-to-vendor strategy, spent fuel, activated modules, site restoration, and final disposal require a complete lifecycle plan.
Safety, licensing, lifecycle & public trust
Phase 5 treats safety as a full lifecycle obligation: site and license basis, fuel/material supply, operation, environmental controls, safeguards, emergency preparedness, waste, decommissioning, and disciplined public claims.
Underlying reactor hazards plus transport accidents, repeated commissioning, changing site interfaces, security in transit and at temporary sites, emergency coordination, return logistics, and site restoration.
Mission-specific reactors do not share one universal licensing path. Civilian, federal, military, maritime, transportable, research, launch, and off-world missions can involve different statutory authorities and regulators. Public pages should identify the category without asserting a permit path that has not been established for the exact mission.
A transportable system must address both operating-site impacts and movement between sites: site preparation, heat rejection, transport corridors, fueled-module custody, recovery from abnormal transport events, demobilization, residual contamination surveys, and site restoration.
Fuel, enrichment, transport form, shielding, custody, and refueling or replacement strategy are mission-specific. Compactness can increase the importance of fuel qualification, transportability, security, and end-of-mission accountability.
Plan for activated hardware, used fuel or fueled-module disposition, maintenance waste, contaminated recovery equipment, decommissioning, retrieval where required, and site or mission closure. The end state must be part of the architecture, not an afterthought.
Apply graded material control and accounting, physical protection, cybersecurity, transport controls, insider-risk controls, and international safeguards as applicable to the material, facility, mission, and jurisdiction. Public pages must not reproduce Safeguards Information, sensitive security layouts, response tactics, or adversary-useful detail.
Emergency planning must match the mission and credible hazards. Terrestrial EP rules, maritime response, transport accidents, research-facility response, launch/re-entry contingency planning, and recovery operations are not interchangeable frameworks.
State the maturity actually achieved, name the applicable authority, separate family-level evidence from project approval, and distinguish demonstrated performance from projections or marketing.
May describe verified historical programs, research demonstrations, or active federal/industry development programs with precise maturity labels. Public architecture can compare mission constraints without implying approval for deployment.
Do not imply that military heritage creates a civilian license, that mobility removes siting obligations, that remote deployment removes security or emergency planning, or that a space/aviation concept has an established commercial pathway when it does not.
Public classification only: This is not a safety finding, licensing opinion, environmental permit, emergency plan, security plan, safeguards determination, waste-acceptance decision, or legal advice. Exact obligations belong to the applicable regulator and project authority.
Release certification
This page has passed the Reactor Programs Phase 7 branch-level release review for internal routing, asset references, canonical metadata, maturity and terminology controls, source-authority links, accessibility essentials, responsive markup, and release traceability.
Production boundary: this certification covers the Reactor Programs branch package. Parent-site shared CSS, navigation, search, logo, and global assets remain controlled by the Aurora website root and must already exist in production. Live deployment is not implied until the package is uploaded and the production URLs are rechecked.