Question · Q4 2025
Brian Gesuale asked for details on Amentum's role across the entire nuclear life cycle, the current size of this business, and when the broader nuclear power ambitions are expected to impact the company's financials. He also sought clarification on the commercial versus defense split within the space business and how the Golden Dome initiative, including Wardett presence and launch activity, would drive the business, specifying its timing.
Answer
CEO John Heller explained Amentum's mission-critical role across the nuclear energy life cycle, from design to decommissioning, covering new development, SMRs, and plant life extension. He noted nuclear energy represents about 17% of the business and highlighted the long-term nature of nuclear projects, with significant engineering work expected through the decade for SMRs. COO Steve Arnette detailed Amentum's strong presence in government civilian space (NASA, Artemis II mission) and national security space (Missile Defense Agency, NORAD). He mentioned the ongoing SHIELD procurement, a multi-award IDIQ, as a key opportunity for Golden Dome, with task orders expected deeper into FY26, emphasizing the intersection of government and commercial space.
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