"This acquisition strategy secures vital industrial base surge capacity, ensuring the Army can swiftly meet emergent mission requirements and maintain uninterrupted readiness for Army lethality," the Program Acquisition Executive Fires wrote in the service's release.
Four companies won prototype OTAs to supply the M151 warhead
The Army awarded Other Transaction Authority (OTA) prototype agreements to four firms — Firehawk, iRocket, Nammo Perry and Albers — to increase production capacity for M151 high-explosive fragmentation warheads used on Hydra-70 rockets, according to the release published by the Program Acquisition Executive Fires. The OTAs are explicitly aimed at increasing competitive pricing and surging industrial capacity.
Deliverables: 24 prototype warheads and a modernized TDP within 18 months
Under the awards, each selected vendor must provide 24 prototype M151 warheads and deliver a "modernized" government-owned Hydra-70 Technical Data Package (TDP) within 18 months, per the release. The release defines a TDP as the technical design and manufacturing information — often including blueprints and other plans — used to produce or manufacture the platform.

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Get a security leadHydra-70 rockets and the M151 warhead in brief
Hydra-70 rockets are 2.75-inch (70mm) air-to-ground munitions typically fired from tube launchers that can be mounted on most rotary- and fixed-wing aircraft and can also be launched from the ground. The M151 is one warhead variant in the Hydra-70 family; the release notes other warheads include the M156 and M229, among others.
Companies' statements and industrial posture
- Firehawk said the award follows the company standing up a 636‑acre rocket production campus in Crawford, Mississippi, "designed to rapidly scale rocket production." Firehawk CEO Will Edwards told Breaking Defense, "Our goal is to deliver the Hydra-70 rockets faster and at scale using modern manufacturing approaches that can help strengthen America’s munitions supply chain."
- Nammo Perry provided a statement, attributed to Elizabeth Eastman, president and general manager, saying the award "reflects [the company’s] continued commitment to supporting the Army’s modernization priorities" and that it "remains focused on delivering high-quality solutions while expanding the capacity and responsiveness of the U.S. Defense Industrial Base."
- The two other companies named — iRocket and Albers — did not respond to Breaking Defense by the time of publication, the story says.
GD-OTS, unanswered questions and possible follow-on work
General Dynamics Ordnance and Tactical Systems (GD-OTS) is identified in the release as the current supplier for the Army’s Hydra-70 program, including its warheads. The Army did not respond to inquiries about when the awards were finalized, the dollar amounts of the awards or GD-OTS’s future role in the program; GD-OTS also did not respond to a request for comment by the time of publication. The Army’s announcement states that if the selected vendors succeed in their demonstrations, follow‑on agreements may be made to expand the effort to other Hydra‑70 variants beyond the M151.
What this means for the Army, the selected vendors, and GD-OTS
- The Army: The release frames the strategy as securing surge capacity to "swiftly meet emergent mission requirements" and to maintain readiness — an explicitly operational rationale tied to increasing competitive vendors for M151 warheads.
- Selected vendors (Firehawk, Nammo Perry, iRocket, Albers): The OTAs give each vendor a limited demonstration package (24 prototypes plus a modernized TDP) and the opportunity to win follow‑on work across other Hydra‑70 variants if demonstrations succeed; at least one vendor, Firehawk, tied its bid to new production infrastructure in Mississippi.
- GD-OTS: The company is the current supplier; however, the Army did not clarify GD‑OTS’s future role in light of these OTA awards and did not provide dollar figures or timing details for the agreements.
The Army’s OTA awards set clear, short-term deliverables — 24 prototype warheads and an updated TDP within 18 months — and leave open the possibility of broader follow-on contracts that would cover additional Hydra‑70 warhead variants. At the same time, the Army and GD‑OTS declined to provide timing, dollar amounts or clarity on how existing supplier relationships will evolve, leaving those operational and budgetary details unresolved even as the service moves to diversify production capacity.




