Terran R January 2026 Program Update

Why It Matters

By solidifying hardware delivery and test‑stand capabilities, Terran R improves its odds of achieving a timely launch, which could accelerate revenue streams and strengthen its competitive stance in the commercial launch market.

Key Takeaways

• Released 1,856 flight parts, focusing on secondary structures.
• Stage two shipping assembly over 90% released, enabling downstream integration.
• Cryogenic composite pressure vessels installed in stage two tank.
• Aeon R engines shipped to NASA Stennis; acceptance testing progressing rapidly.
• Horizontal integration facility enclosure and insulation nearing completion for launch prep.

Summary

Terran R’s January 2026 program update highlighted steady progress across design, manufacturing, testing and launch‑site preparation, underscoring the company’s push toward an early‑year flight.

The team released 1,856 flight parts, primarily secondary structures and integration hardware, and achieved over 90 % release of the stage‑two shipping assembly, unlocking downstream manufacturing. Cryogenic composite over‑wrapped pressure vessels are now installed in the stage‑two tank, while the stage‑one tank has moved into integration lanes for corrosion mitigation, paint touch‑ups and weld buy‑offs. All panels for the dedicated stage‑one qualification article are complete, and barrel machining is advancing on both forward and aft sections.

Propulsion milestones include shipping additional Aeon R engines to NASA’s Stennis Space Center and completing multiple engine acceptance test campaigns; Aeon V development testing continues ahead of qualification. Infrastructure upgrades at the A2 test stand—new vaporizers, slab completion, and column installation for a new hangar—are on schedule. At LC‑16, the horizontal integration facility’s siding and spray‑foam insulation are roughly half finished, and launch‑mount concrete curing has wrapped up.

These advances position Terran R to enter a critical stretch of its development calendar, reducing schedule risk for the upcoming launch window and signaling to investors that the company’s supply chain and ground‑system readiness are on track.

Original Description

Key highlights:

✔️Stage 2 tank integration progressing with all cryogenic COPVs installed

✔️Stage 1 tank moved into an integration lane following circumferential friction stir welding

✔️Thrust structure integration continues, with fire ceiling and avionics tray installation now complete and harness routing underway

✔️Additional Aeon R first stage flight engines shipped to and tested at NASA Stennis

✔️LC-16 construction continues with HIF, water tower, and launch mount work advancing

📌 Chapters

0:00 – 0:12 Introduction

0:13 – 0:31 Design Overview

0:32 – 1:34 Build Overview

1:35 – 2:00 Test Overview

2:01 – 2:41 Launch Overview

2:42 – 2:53 Closing Recap

Stay Connected:

🚀Terran R: https://www.relativityspace.com/terran-r

🚀Careers: https://www.relativityspace.com/careers

🚀Merch: https://store.relativityspace.com/

Follow on social:

Instagram: https://www.instagram.com/relativityspace

Threads: https://www.threads.net/@relativityspace

X: https://twitter.com/relativityspace

LinkedIn: https://www.linkedin.com/company/relativity

Facebook: https://www.facebook.com/relativityspace

#engineering #aerospace #rockets #engines #engineer #fire #testing