Strategic facility and launch-site monitoring

Persistent, sovereign monitoring of missile sites, test ranges and strategic industry using optical, thermal and SAR payloads. No dependency on allied collection schedules or commercial shutter-control decisions.

The dependence this ends: Assessments built on someone else's collection priorities

The problem with borrowed eyes

Every government that relies on an ally's imagery archive for strategic assessments is, in practice, accepting that ally's collection priorities, tasking cycles and political judgements about what to share and when. That arrangement can work well for years. It tends to fail at exactly the moment it matters most: during a crisis, when the ally is managing its own sensors against its own list of urgent targets, and your facility of interest slips down the queue.

Commercial high-resolution imagery has partially filled that gap, but it introduced a different dependency. Shutter-control provisions, written into the licences of several commercial operators, allow their home governments to suspend or degrade imagery over defined regions. This is not theoretical. The practical consequence is that a sovereign intelligence requirement can be suspended by a foreign regulatory decision. For a ministry of defence trying to maintain continuous situational awareness of a neighbour's launch programme or strategic industrial base, that is an unacceptable structural risk.

The answer is not to replicate a superpower's constellation. It is to build a focused programme sized to the specific target set, owned outright, with collection tasked by national operators against national priorities.

What the sensors actually see, and what they miss

Three payload families matter for this mission. High-resolution panchromatic optical imagers, operating in the 0.3 to 0.5 metre ground-sample-distance range from low Earth orbit, resolve vehicle types, construction activity, canister movements and changes to pad infrastructure. They require daylight and clear sky. Cloud cover over a target during a critical window is not a recoverable problem for optical alone.

Thermal infrared imagers see what optical cannot: propellant loading, engine test-stand firings, exhaust-duct heat signatures and the residual thermal anomaly that persists for hours after a static fire. Spatial resolution is coarser, typically 3 to 30 metres depending on detector and altitude, so thermal confirms activity rather than identifying specific hardware. It is most powerful as a cueing layer that directs optical tasking.

X-band synthetic aperture radar operates day and night through cloud and light precipitation. It detects surface change at centimetre scale between passes, making it the primary tool for change detection when weather is persistent. SAR does not replace optical for identification tasks: a new structure is visible, but classifying it requires an optical follow-up. The honest summary is that no single sensor answers every question. The programme is designed around sensor fusion, not sensor supremacy.

One further limit deserves stating plainly. A facility that knows it is watched will adapt: vehicle movements timed to known overpass windows, underground storage, decoys. Revisit cadence and orbital diversity partially counter this, but a determined adversary with knowledge of your constellation's geometry will find gaps. The programme narrows those gaps; it does not eliminate them.

Building the programme: constellation to full sovereign capability

This mission does not have a meaningful pathfinder stage. A single experimental satellite produces snapshots, not intelligence. The minimum operationally useful configuration is a small constellation delivering coordinated multi-sensor revisit.

At the constellation level, a practical starting point is three to six satellites combining at least two sensor types, in complementary orbital planes, with a ground revisit cadence of four to twelve hours over a fixed target set. Constellation geometry is the engineering variable that determines whether that cadence is achievable: orbital altitude, inclination spread and the number of planes all trade against each other. Publicly documented regional programmes of comparable scope, such as South Korea's 425 Programme (five SAR and optical satellites, first launches 2023 to 2025), suggest that a focused multi-sensor constellation at this scale involves programme budgets in the hundreds of millions of dollars over five to seven years from contract to full operational capability. KASS, South Korea's augmentation system, and similar national programmes confirm that sovereign space capabilities at operational scale are not cheap, but they are not uniquely expensive either.

A full sovereign programme adds in-country data processing, a national mission-control centre, trained national operators and the legal and technical framework to task, receive and exploit imagery without any data touching a foreign network. That last point is not a marketing preference. It is the condition under which the intelligence product is genuinely sovereign.

What you own at handover

The satellites, once in orbit, are registered to the procuring state. The ground station infrastructure, including antenna systems, mission-control software and processing pipelines, is installed in-country and transferred under agreed source-access terms. National operators, trained through a structured programme that runs in parallel with integration and launch, hold the credentials and the procedures.

The limits of ownership are worth naming. Orbital slots and frequency assignments are held through the ITU coordination process and require the procuring state to maintain active engagement with that process. Some bus platforms and launch vehicles are arranged and integrated through partners; the procuring state owns the payload and the data, but not the launch vehicle or its intellectual property. Satellize retains no ongoing data-access rights after handover. The analytics methods and processing software are transferred under the source-access terms agreed before contract signature.

Designing revisit around a target that is watching back

Standard constellation geometry optimises for average revisit over a wide area. Strategic site monitoring requires something different: guaranteed minimum revisit over a small, fixed target set, with enough orbital diversity that the target's operators cannot predict the next pass window with confidence.

This means choosing orbital planes deliberately to avoid regular, predictable ground tracks over the target. It means mixing sensor types so that cloud cover over an optical pass does not create a clean observational gap. And it means accepting that a small constellation cannot achieve all of this simultaneously: there is a direct trade between the number of targets, the revisit cadence and the programme cost. A programme designed to watch three facilities continuously will require more satellites than one watching a single site weekly. That trade is a design input, not a surprise, and it should be resolved during mission architecture before a single component is procured.

What this mission is built from

High-resolution panchromatic optical imagers: Primary identification layer: resolves vehicle types, construction changes and canister movements at sub-metre ground sample distance in daylight and clear conditions.
Thermal infrared imagers: Activity cueing: detects propellant loading, engine firings and residual heat signatures that persist after events, directing optical tasking to windows of interest.
X-band SAR payloads: All-weather, day-night change detection at centimetre scale between passes, providing continuity when cloud cover breaks optical collection.
Constellation geometry and revisit design: Orbital plane and inclination design to achieve guaranteed minimum revisit over a fixed target set while reducing predictability of pass windows.
In-country data processing: Sovereign data pipeline: raw downlink processed, fused and exploited entirely within national infrastructure, with no data transiting foreign networks.

What you end up owning

Satellites registered to the procuring state, with hardware audit rights exercised during integration
In-country ground station and antenna infrastructure, installed and commissioned before handover
Mission-control software and processing pipelines under source-access terms agreed at contract signature
Trained national operator cadre holding all tasking credentials and operational procedures
ITU frequency coordination filings and orbital-slot registrations in the procuring state's name
Full data sovereignty: no Satellize or partner access to collected imagery or derived intelligence after handover

Handover is staged across the programme: ground systems and operator training begin well before launch, so national teams are operating the mission-control centre from first light. Satellize's role transitions from prime contractor to advisory support at a schedule milestone agreed in the contract, not at Satellize's discretion. Launch-vehicle and bus-platform partners retain their own intellectual property; the procuring state owns the payload, the data and the operational procedures.

Programme parameters

Minimum operational constellation	3 to 6 satellites across at least two sensor types (optical, thermal, SAR)
Orbital regime	Low Earth orbit, 450 to 600 km, inclination selected for target-set latitude coverage
Target revisit cadence	4 to 12 hours over fixed target set (dependent on number of planes and sensor mix)
Optical ground sample distance	0.3 to 0.5 m (panchromatic, daylight, clear sky)
Thermal spatial resolution	3 to 30 m depending on detector and altitude; activity cueing, not identification
SAR change-detection sensitivity	Centimetre-scale surface change between passes; cloud and darkness transparent
Ground infrastructure	1 to 2 in-country ground stations, mission-control centre, processing node
Programme timeline	5 to 7 years from contract to full operational capability (comparable to South Korea's 425 Programme)
National operator team	Typically 15 to 30 trained personnel for tasking, mission control and imagery exploitation
Indicative cost class	Hundreds of millions of dollars at constellation scale; consistent with published regional programmes of comparable scope

Sources

One contract, one accountable engineer

Commissioned as one programme, not a stack of contracts: spacecraft, launch, ground segment, mission control, training and handover are priced together. Source-access terms and audit rights are agreed in writing before signature. Request a target-set sizing workshop.