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L3Harris appoints space chief Sam Mehta as CEO amid abrupt leadership change

L3Harris Technologies has named Sam Mehta, head of its Space & Mission Systems division, as chief executive following the immediate resignation of Christopher Kubasik over conduct concerns. The move comes as the company reshapes its business units and prepares for increased Pentagon spending on missile defense and space programs.

Published 2026-08-17 · Reported by SpaceNews
L3Harris Technologies has named Sam Mehta, head of its Space & Mission Systems division, as chief executive following the...

L3Harris Technologies announced a sudden shift at its top tier on August 17, naming Sam Mehta as chief executive after Christopher Kubasik stepped down from his roles as chairman, CEO, and board member. The board said an investigation uncovered conduct that conflicted with the company’s code of conduct, though it clarified the issue was unrelated to financial reporting, controls, customer relationships, or operational performance.

Leadership transition and background

Mehta, who joined L3Harris in 2023 to lead its communications business, was elevated to president of Space & Mission Systems earlier this year and later took charge of Communications & Spectrum Dominance. Together, these two segments generate more than 80% of the firm’s revenue. Prior to L3Harris, Mehta headed the Advanced Structures unit at RTX’s Collins Aerospace and spent over 17 years at Sikorsky Aircraft, finishing as president of Defense Systems and Services.

His new role places a veteran of the military space portfolio at the helm as L3Harris eyes growing Pentagon spending on missile defense and national-security space initiatives. Mehta has been steering efforts to boost production of military satellites and infrared payloads, aligning with the Pentagon’s expansion of space-based components of the missile defense program.

Organizational restructuring

The leadership change occurs amid one of the most significant restructurings since L3Harris was formed by the 2019 merger of Harris Corp. and L3 Technologies. In January, the company streamlined its four business segments into three: Space & Mission Systems, Communications & Spectrum Dominance, and Missile Solutions. Missile Solutions consolidates missile propulsion and other weapons technologies, including much of the former Aerojet Rocketdyne business acquired for $4.7 billion in 2023.

Earlier this year, L3Harris announced plans to spin off Missile Solutions via an IPO, backed by a $1 billion Defense Department investment that would convert to equity after the offering. The initial target for the IPO was the second half of 2026, but Kubasik had indicated in a recent statement that the timeline would be pushed to at least mid-2027 due to market conditions.

The company reaffirmed its commitment on August 17 to a $3 billion build-out aimed at expanding solid-rocket motor production and strengthening its supply chain.

Space portfolio adjustments

L3Harris has also been trimming parts of its space assets inherited from Aerojet Rocketdyne. In January, it agreed to sell a 60% stake in its Space Propulsion and Power Systems business to private-equity firm AE Industrial Partners, valuing that operation at $845 million. L3Harris retained a roughly 40% stake and kept full ownership of the RS-25 rocket engine used in NASA’s Artemis program.

Kubasik, who became L3Harris’s top executive in June 2021 under a succession plan set after the 2019 merger, oversaw much of this transformation. His departure, however, diverged from the planned transition. The board, after consulting independent counsel, concluded that a separation agreement served the company’s best interests.

Lewis Hay, the independent chairman, said, “The Board and Chris have agreed that implementing our succession plan today is the right thing to do.”

Management reshuffle

Mehta’s promotion triggered further changes in the senior leadership team. Lauren Barnes, previously president of Spectrum Superiority, was appointed president of Space & Mission Systems. Christopher Aebli, who had led Mission Critical Communications, will now head Communications & Spectrum Dominance.

These moves signal L3Harris’s intent to maintain momentum in its core space and communications businesses while navigating the broader restructuring and upcoming IPO plans.

Source: SpaceNews