Blog

Total cost of ownership: Meridian Colony Ark

Commissioning a Meridian Colony Ark starts at ₡8,950 million. That buys a Colony ship with a 260,000 tonnes payload and a 300 AU reach.

Meet Marguerite Delacroix, Head of Propulsion

In this edition of our team spotlight we sit down with Marguerite Delacroix, who works as Head of Propulsion in the Propulsion team at Halcyon Stellar Works.

Meet Lucía Ferreira, Lead Systems Engineer

In this edition of our team spotlight we sit down with Lucía Ferreira, who works as Lead Systems Engineer in the Engineering team at Halcyon Stellar Works.

Quiet hours: riding along on a Corvid patrol in the Belt

Communications director Siobhán Kerrigan spent five days in the jump seat of a Corvid Stealth Scout on a claim-verification and anti-piracy patrol.

How three Gravitas barges are building a 2.4-kilometre colony ark

The Meridian Colony Ark is too big to build in any dock ever made. So we built it in open orbit, using Gravitas Dock Barges as moving scaffolding.

Why Vesta Smelting Combine chose the Basilisk Salvage Tug

When Vesta Smelting Combine wanted more capacity for its Ceres business, it compared ships from every major yard. In the end it ordered 2 Basilisk Salvage Tug hulls from Halcyon Stellar Works.

Is the Tempest Ice Runner worth ₡520 million?

It's a fair question. ₡520 million is serious money, and before you commit to a Outer-system ice transport you want to know what you get for it.

What the autonomy co-pilot actually does, and what it is not allowed to do

Every Halcyon ship now flies with an onboard autonomy co-pilot. Our director of autonomy explains its job, its limits, and why we deliberately keep humans in charge.

Why Pacifica Launch Services chose the Wren Microlifter

When Pacifica Launch Services wanted more capacity for its Earth business, it compared ships from every major yard. In the end it ordered 30 Wren Microlifter hulls from Halcyon Stellar Works.

Now shipping: Basilisk Salvage Tug

Halcyon Stellar Works has started deliveries of the Basilisk Salvage Tug, a Salvage tug that first went to space on July 2180. The first hulls are already on their way to customers.

What does a Kestrel really cost?

The sticker price for a Kestrel is ₡12.8 million, but the cost of owning a Light shuttle over its lifetime depends on much more. This breakdown covers the main line items.

Phobos Relay Servicing Demo: speakers and schedule

We've finalised the Halcyon line-up for Phobos Relay Servicing Demo. The expo opens on 24 November 2026 at Stickney Crater Servicing Depot, Phobos.

Five questions with Lars Eriksen

We asked Lars Eriksen, our Open Data Program Lead, five quick questions about life in Open Data.

Release notes: Corona Jovian Radiation Monitor

The latest release of Corona Jovian Radiation Monitor is now live. This satellite (Highly elliptical Jupiter orbit, 9 × 62 Jupiter radii) remains freely available under CC-BY-4.0.

Jovian Helium Cooperative commissions Polaris Relay Tender hulls for Io service

Another delivery has left the yard. Jovian Helium Cooperative, based at Ganymede, now flies 3 Polaris Relay Tender hulls built by Halcyon.

Handover day: Huygens Basin Industries receives its Nimbus Gas Skimmer fleet

This week we delivered 2 Nimbus Gas Skimmer hulls to Huygens Basin Industries. The firm was founded in 2160 and runs its operations out of Titan.

Inside the Valkyrie Survey Corvette: what the spec sheet doesn't tell you

A spec sheet says the Valkyrie Survey Corvette is 92 m long and carries 180 tonnes, but that is only part of the picture. What matters is how this Survey corvette behaves on a real mission.

Riding the ice road: a Tempest run to Enceladus

Account executive Valentina Rojas joined a customer's Tempest Ice Runner for a full harvest run at Enceladus, and came back with a new respect for water.

Minutes matter: how the Seraph cut medevac response times on Mars

A mission controller's look at two years of Seraph Medevac operations around Mars, and why average time-to-surgery fell from 31 hours to under 9.

Why we built the Cascade Dropship

Customers kept asking for a Heavy planetary lander that was cheaper to run, simpler to crew and easier to maintain far from home. The Cascade Dropship, which first flew on February 2183, is our answer.

By the numbers: the Odyssey Deep Explorer

Engineers love numbers, so here they are for the Odyssey Deep Explorer. This Long-range explorer packs a lot into a 196 m airframe.

Atlas Heavy Freighter range, speed and fuel economy

Operators planning routes ask us about three numbers more than any others: how far, how fast and how thirsty. Here are those numbers for the Atlas Heavy Freighter.

A day at Olympus Ring: where colony arks are born

Yard operations director Arjun Mehta walks through a single shift at our Mars orbital yard, from the 05:00 briefing to the final hull weld.

Open Flight Software Meetup: speakers and schedule

We've finalised the Halcyon line-up for Open Flight Software Meetup. The meetup opens on 8 November 2026 at The Foundry Co-working Space, Lyon, Europe.