Firehawk Defense 150 Million Series D Explained: 3D-Printed Rocket Propellant and the US Munitions Rebuild

Illustrative image: a rocket lifting off from Cape Canaveral. This is not a Firehawk Defense rocket — Firehawk builds smaller tactical rockets and motors, not orbital launchers. Image: Wikimedia Commons / U.S. Space Force (public domain).

TL;DR — Firehawk Defense 150 million Series D explained in one line: the Dallas rocket-propulsion startup raised more than $150 million at a valuation above $1.4 billion on 28 October 2026, to scale 3D-printed rocket propellant and motor production for US artillery and rockets — nearly five times its $290 million valuation from just over a year ago.

📌 KEY HIGHLIGHTS

• The round: Series D of more than $150 million, co-led by Advent and Rochefort Asset Management, at a post-money valuation above $1.4 billion. The round was upsized and oversubscribed from an original target of about $100 million.
• The technology: a thermoplastic process that 3D-prints rocket propellant, cutting production from a 60-day batch process to about six hours, according to CEO Will Edwards.
• The factories: a 320-acre propellant plant in Lawton, Oklahoma, and a missile-integration site in Crawford, Mississippi, with capacity for 40,000 small-diameter rockets a year.
• The customer pull: a May 2026 teaming agreement with General Dynamics Ordnance and Tactical Systems for 155mm base-bleed motors that extend artillery range by up to 35 percent.
• The catch: Firehawk has not disclosed how many rockets or motors it has actually delivered — the big capacity figures are company targets, not shipped totals.

Firehawk Defense 150 million Series D explained: what was announced?

On 28 October 2026, Firehawk Defense announced it had closed an upsized and oversubscribed Series D financing of more than $150 million, valuing the company at more than $1.4 billion. The round was co-led by Advent and Rochefort Asset Management, the firm co-founded by Dallas investor Kyle Bass, with new and existing investors and strategic partners also taking part. The Dallas Morning News reported the original target was about $100 million; Firehawk did not disclose how much each investor contributed.

The step-up is steep. Firehawk closed a $60 million Series C in September 2025 at a $290 million valuation, followed by a strategic investment in November 2025 to speed up solid rocket motor production. The new valuation is nearly five times the Series C level in just over a year — a repricing that reflects both the company's progress and the wider rush to rebuild US munitions capacity.

Firehawk was founded in 2019 by chief executive Will Edwards, with chief scientist Ron Jones behind its core 3D-printed propellant technology. The company describes itself as covering the full chain from propellant to finished motors and complete rocket systems, focused on smaller systems at high volumes where giants such as Aerojet Rocketdyne and Northrop Grumman concentrate on larger rockets.

How the 3D-printed propellant works — and what the money builds

Traditional solid rocket propellant is made in batches: mix, cast and cure, a process that can take weeks. Firehawk replaces it with a thermoplastic process in which energetic feedstock is produced continuously, stored, and then moulded, extruded or 3D-printed into shape for different motors. Edwards told industry publication Tectonic that the process cuts production "from a 60-day process down to six hours" — the core claim behind the company's speed advantage.

The new capital funds the build-out of two sites. In Lawton, Oklahoma, the 320-acre Great Plains Arsenal propellant and motor plant is expected to start low-rate production by mid-2027 and produce roughly 3 million pounds of propellant a year by the end of next year. In Crawford, Mississippi, the 640-acre integration facility can already produce about 40,000 small-diameter rockets a year, with plans to ramp toward 10,000 rockets a month by 2028. By the end of 2027, Firehawk expects to be the largest US producer of artillery motors and the third-largest producer of propellant.

Illustrative image: a 155mm howitzer firing during a training exercise. Firehawk's base-bleed motors are designed to extend the range of shells like these by up to 35 percent. Image: Wikimedia Commons / U.S. Army (public domain).

Item	Firehawk Defense figure
Series D (28 Oct 2026)	More than $150 million, valuation above $1.4 billion
Series C (Sept 2025)	$60 million at a $290 million valuation
Lead investors (Series D)	Advent and Rochefort Asset Management
Oklahoma plant	320 acres, ~3 million pounds of propellant a year (target)
Mississippi plant	640 acres, ~40,000 small-diameter rockets a year capacity
2027 target	100,000+ artillery motors; largest US artillery-motor producer

Why it matters for USA Tech readers — and what it means for India

Firehawk's round is the week's third-biggest US funding story, after our Re:Build $2.1 billion funding explainer and our Kalshi $1 billion Series G explainer — and it sits in the same pattern: investors paying up for companies that make physical things in America. Crunchbase's roundup of the week of 24–30 October 2026 puts Firehawk among the largest rounds, alongside Bedrock Robotics' $600 million construction-automation raise and our Agility Robotics $465 million SPAC explainer. The common thread is industrial capacity, not apps.

The demand signal is concrete. In May 2026, General Dynamics Ordnance and Tactical Systems signed a teaming agreement with Firehawk to accelerate development and production of 155mm base-bleed motors. In August 2026, Hydra-70 rockets built at the Crawford facility passed a live-fire test at Yuma Proving Ground with a reported 100 percent success rate, and the Army named Firehawk one of four vendors to each deliver 24 prototype Hydra-70 M151 rockets. The US Army buys more than 330,000 Hydra-70 rockets a year — a deep, recurring market if Firehawk's capacity ramps as planned.

For India readers, be precise: Firehawk has announced no India operations, hiring or partnerships. The relevance is as a signal, not a product. India's own defence-manufacturing push faces the same bottleneck Firehawk is selling against — slow, batch-based energetics production — and the same lesson applies: in munitions, the winner is whoever can scale proven chemistry fastest, not whoever announces the biggest rocket.

Should you care?

✅ Verdict: Yes, as a bellwether for the defence-industrial build-out — a $1.4 billion valuation for a company that has not disclosed delivery volumes is a bet on capacity, not current revenue. Watch the mid-2027 low-rate production start in Oklahoma: if it slips, the valuation story gets much harder.

FAQs

What is Firehawk Defense?
A Dallas-based defence technology company founded in 2019 that makes rocket propellant, solid rocket motors and complete small rocket systems, using a patented thermoplastic 3D-printing process for propellant instead of traditional batch production.

How much did Firehawk Defense raise in its Series D?
More than $150 million, announced on 28 October 2026, at a valuation above $1.4 billion. The round was co-led by Advent and Rochefort Asset Management and was upsized and oversubscribed from an original target of about $100 million.

What will Firehawk do with the Series D money?
Expand its Lawton, Oklahoma propellant plant and its Crawford, Mississippi missile-integration facility, add research and development sites and hire more staff — targeting over 100,000 artillery motors in 2027 and the largest US artillery-motor production position by the end of 2027.

Has Firehawk delivered rockets to the US military?
It has passed live-fire testing — Hydra-70 rockets built at Crawford passed a Yuma Proving Ground test in August 2026 — and holds Army prototype work, but the company has not disclosed how many rockets or motors it has delivered in total, so treat capacity figures as targets, not shipments.

Takeaway: A $150 million bet that 3D-printed propellant can rebuild America's munitions pipeline — the chemistry is proven in tests, the factories are the hard part, and 2027 is the year the claim gets tested.

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Sources

• D CEO Magazine — Dallas' Firehawk Defense Hits $1.4 Billion Valuation (28 Oct 2026)
• Defence Blog — Firehawk raises $150M at $1.4B valuation (29 Oct 2026)
• Tectonic Defense — Firehawk Hits $1.4B Valuation After $150M Series D (28 Oct 2026)
• Crunchbase News — The Week's 10 Biggest Funding Rounds (30 Oct 2026)