11.8.4 — Critical Minerals — maturity: live

Cobalt Supply Chain Tracking

Using multispectral and SAR satellite imagery combined with RF vessel tracking to monitor cobalt extraction, stockpile movement and maritime export flows from mine to refinery.

Auto-drafted reference page — content reviewed for shape, individual references not yet link-checked.

Cobalt is the single most geopolitically concentrated critical mineral on Earth: roughly 70% of global mine supply originates in the Democratic Republic of Congo, and refining is overwhelmingly controlled by a handful of Chinese state-linked entities. Nations that depend on cobalt for battery supply chains, defence electronics or clean-energy targets are flying blind if they rely solely on voluntary trade data and commercial shipping manifests, both of which are routinely incomplete or falsified. Governments that can independently observe the full chain — from pit to port to processing plant — hold negotiating leverage, early-warning of supply shocks and the evidence base to enforce due-diligence legislation.

A sovereign satellite stack addresses this blind spot across three layers. Multispectral and shortwave-infrared (SWIR) imaging tracks surface-mine pit expansion, tailings pond growth and new access-road construction at known and suspected cobalt sites — changes that precede official production figures by weeks. SAR provides all-weather, day-night coverage of stockpile yards and port loading facilities. Simultaneously, RF survey payloads correlate AIS vessel identities with actual radio-frequency emissions, flagging dark ships or identity-spoofing events on the routes between Congolese ports, Chinese refineries and destination markets.

The operational output is a continuously updated, sovereign-held supply chain intelligence picture. Trade analysts can detect a drawdown in Congolese stockpiles three to four weeks before it appears in customs data, giving procurement teams and strategic reserve managers actionable lead time. Defence and foreign-policy desks get independent confirmation of whether sanctioned entities are re-entering cobalt flows through intermediary ports. Because the data never transits a foreign commercial platform, it cannot be withheld, degraded or selectively embargoed at a moment of geopolitical tension — which is precisely when it is most needed.

What matters

70% of mined cobalt originates in a single country, making supply-chain opacity a direct national security liability for any battery-dependent economy.
Commercial trade data lags physical reality by four to eight weeks; satellite observation closes that gap to 24–72 hours.
Dark-vessel and AIS-spoofing events on the DRC–China cobalt corridor are documented; sovereign RF survey payloads detect them without relying on foreign-operated networks.
EU Battery Regulation and US IRA supply-chain due-diligence requirements create legal exposure for governments and firms that cannot demonstrate independent traceability.

Sovereignty score: 9/10 — A nation that cannot independently verify cobalt flows from mine to market is structurally dependent on the goodwill of the very actors it may need to confront in a supply crisis.

Geopolitical leverage: the dominant refining power can manipulate or withhold trade data at will; sovereign imagery provides a ground-truth that cannot be embargoed.
Legal compliance risk: EU and US due-diligence regulations impose liability on governments and firms that rely on unverified commercial manifests, making independent satellite verification a legal necessity, not a luxury.
Supply-shock early warning: commercial data services are built for market analytics, not strategic reserve management — sovereign systems can be tasked, classified and acted upon without alerting the market or the supplier.
Export-control and sanctions enforcement: confirming whether sanctioned entities or flag-of-convenience vessels are re-entering cobalt trade flows requires persistent, non-commercial RF and optical surveillance that no vendor has an incentive to provide comprehensively.

Reference architecture

Payload: Primary: multispectral imager (400–2500 nm including SWIR), 5m GSD, 40km swath, for mine-face and stockpile change detection. Secondary: X-band SAR, 3m stripmap / 1m spotlight, 30km swath, for all-weather port and stockpile monitoring. Tertiary: RF survey payload, 100 MHz–6 GHz, AIS/VDES reception and RF geolocation to 500m CEP for vessel identity verification.
Bus class: ESPA-class microsat, 120–160 kg wet mass, 600W payload power; SAR and multispectral payloads can be hosted on the same bus at the cost of operational scheduling complexity; RF payload fits a secondary 16U cubesat flying in close formation.
Orbit: Sun-synchronous LEO at 520–560 km, 16-satellite walker constellation (12 primary microsats + 4 RF cubesats), achieving sub-6-hour revisit over the DRC mining belt and key transit ports (Dar es Salaam, Durban, Guangzhou); SAR night-pass capability removes solar-illumination dependency.
Ground segment: Sovereign 3-station X-band/S-band TT&C and downlink network (domestic anchor station plus two allied-nation forward stations for high-latitude contact windows); encrypted Ka-band inter-satellite crosslinks optional for latency-sensitive RF tipoffs; SatNOGS UHF/VHF backup for housekeeping telemetry.
Software & data
Latency
Cost band
Lead time

References

Cobalt Market Report – Cobalt Institute — Annual report detailing global cobalt supply concentration, DRC production dominance and refinery ownership structures. Confirms that a single country and a small number of refining entities control the majority of the global cobalt supply chain.
Critical Minerals Policy Tracker – International Energy Agency — The IEA tracks government responses to critical mineral supply risks, including cobalt, and documents the gap between demand projections and verified, traceable supply. Highlights the inadequacy of voluntary reporting mechanisms.
Global Witness – Cobalt Supply Chain Investigations — Documents systematic misreporting, smuggling and intermediary obfuscation in the DRC cobalt supply chain. Provides evidentiary basis for why voluntary trade manifests cannot be trusted as sole verification tools.
EU Battery Regulation (2023/1542) – EUR-Lex — Mandates supply-chain due diligence and traceability for cobalt and other critical materials in batteries placed on the EU market. Creates binding obligations that require independent, verifiable sourcing data beyond commercial self-reporting.
HawkEye 360 – RF Geolocation for Maritime Domain Awareness — HawkEye 360 demonstrates operational RF survey constellations capable of detecting AIS spoofing and dark-vessel behaviour on commercial shipping routes. Their published detection case studies include vessels operating in West and Central African coastal waters.