Blog

Join us at L5 Open Data Day in L5 Lagrange Station

Save the date: 13 November 2026. L5 Open Data Day, a meetup hosted by Halcyon Stellar Works, takes place at Kepler Yards, Commons Deck.

What does a Wren Microlifter really cost?

The sticker price for a Wren Microlifter is ₡6.4 million, but the cost of owning a Surface-to-orbit lifter over its lifetime depends on much more. This breakdown covers the main line items.

A letter from our CEO: why a shipyard should reach for another star

Ingrid Solberg explains why Halcyon is spending 3,400 million credits on a lightsail prototype while our order book is fuller than ever.

The Kestrel at eight years: what we got right and what we would change

The Kestrel Light Shuttle first flew in September 2179. Our VP of Engineering looks back on eight years of cislunar service and the lessons it holds for the next generation.

Coming soon to North America: Orbital Debris Forum

Mark your calendar for 18 November 2026, when Orbital Debris Forum arrives at Gulf Coast Space Policy Center. This summit is where Halcyon engineers take the stage.

Spotlight: Valentina Rojas on building the future of spaceflight

Valentina Rojas joined Halcyon to work on hard problems, and as Account Executive, Outer System there has been no shortage of them.

By the numbers: the Aurora Mk II

Engineers love numbers, so here they are for the Aurora Mk II. This Interceptor / fast courier packs a lot into a 28 m airframe.

People of Halcyon: Rafael Quispe

Behind every ship there are people. This month we introduce Rafael Quispe, Avionics Engineer in Engineering.

Spotlight: Freya MacAllister on building the future of spaceflight

Freya MacAllister joined Halcyon to work on hard problems, and as Partnerships Lead, Asteroid Belt there has been no shortage of them.

What a near-miss at Shackleton taught us about safety culture

Chief safety officer Grace Mwangi shares the full findings from a near-collision between a Kestrel shuttle and a Seraph Medevac at Luna, and the changes that followed.

Now available: Kittiwake Debris Tracker

Halcyon Stellar Works is opening up access to Kittiwake Debris Tracker, a satellite operating from Sun-synchronous low Earth orbit, 780 km. It is released under the CC-BY-4.0 licence.

A day in the life of Samir Haddad, Navigation ML Engineer

What does a Navigation ML Engineer actually do all day? We asked Samir Haddad from our AI & Autonomy group.

The economics of a 4.1 Mc trainer: why we built the Sparrow

The Sparrow Trainer is the cheapest craft Halcyon has ever sold. Our pilot training manager explains why a shipyard that builds 8,950 Mc arks also builds a 4.1 Mc trainer.

Fleet expansion: 1 × Polaris Relay Tender for Lumen Interstellar Institute

Lumen Interstellar Institute has added 1 examples of the Polaris Relay Tender to its fleet. The handover ceremony took place at the Kepler Yards, with crews from L5 Lagrange Station on hand to accept the keys.

What to expect at Helium-3 Markets Summit

In a few weeks, Io Volcanic Observatory Conference Ring in Io will host Helium-3 Markets Summit. It is a summit where Halcyon engineers take the stage, and it starts on 23 November 2026.

Test pilot notes: the day the Eidolon unfurled

Chief test pilot Mateo Silva describes the first full sail deployment of the Eidolon Lightsail Prototype near L5 and what it feels like to fly a ship with no engine.

Open catalogue update: Tidewatch Europa Orbiter

Today's catalogue spotlight is Tidewatch Europa Orbiter, a satellite. Its operational setting is Europa polar orbit, 200 km.

The Wren Microlifter is still the cheapest way to orbit

At 6.4 million credits and one pilot, the Wren Microlifter remains the lowest-cost way to put a person and a few tonnes into low orbit. A sales engineer explains why buyers keep choosing it.

Ceres Deepcore Mining Collective commissions Basilisk Salvage Tug hulls for Asteroid Belt service

Another delivery has left the yard. Ceres Deepcore Mining Collective, based at Ceres, now flies 4 Basilisk Salvage Tug hulls built by Halcyon.

Release notes: Seraph Triage Assistant

The latest release of Seraph Triage Assistant is now live. This open source project (the ground segment) remains freely available under MIT.

Mission log: twelve hours over Triton with the Odyssey Deep Explorer

From the Luna control room, mission controller Yusuf Demir recounts the Odyssey's closest approach to Neptune's largest moon, minute by delayed minute.

Handover day: Vanguard Cartographic Society receives its Odyssey Deep Explorer fleet

This week we delivered 3 Odyssey Deep Explorer hulls to Vanguard Cartographic Society. The firm was founded in 2096 and runs its operations out of North America.

Europa Ocean Sciences Foundation commissions Valkyrie Survey Corvette hulls for Jupiter service

Another delivery has left the yard. Europa Ocean Sciences Foundation, based at Europa, now flies 4 Valkyrie Survey Corvette hulls built by Halcyon.

Why we built the Valkyrie Survey Corvette

Customers kept asking for a Survey corvette that was cheaper to run, simpler to crew and easier to maintain far from home. The Valkyrie Survey Corvette, which first flew on October 2181, is our answer.