Lockheed Martin said on Aug. 10, 2026 that the Stage 2 rocket motor for its Next Generation Interceptor completed a static fire test inside a high-vacuum chamber built to reproduce the conditions of low-Earth orbit. A static fire test holds a rocket motor in place and ignites it, measuring performance without launching anything.
The motor was supplied by L3Harris Technologies, which conducted the hot fire. According to the release, the test confirmed the motor can withstand the thermal and pressure loads expected during an interception and verified thrust, chamber pressure and combustion stability.
The Next Generation Interceptor, or NGI, is the replacement interceptor being developed for the U.S. Ground-Based Midcourse Defense system, the architecture intended to destroy long-range ballistic missiles in flight. Lockheed Martin describes the test as a step toward Critical Design Review, the point at which a program's design is judged mature enough to move into production.
"This successful static fire test is a significant milestone on the path to the Critical Design Review and confirms our confidence that the NGI motor will meet the demanding performance envelope required for fielding by 2030," said Christopher Jewell, Lockheed Martin's vice president for NGI.
Jewell said the data collected will feed into the final interceptor design and speed up integration with the existing midcourse defense architecture.
The company also said it is investing in new and expanded manufacturing capacity in Alabama for the program, including production lines, tooling and plant layouts intended to meet what it calls urgent production demand. The release characterized the spending only as "millions" and did not give a dollar figure, a site or a completion date.
Lockheed Martin further stated that NGI's "born-digital" design approach has compressed development cycles that previously took years into months, and that it is drawing on suppliers across the country. No supporting figures were provided for either claim.
The announcement contains no contract value, no delivery schedule beyond the 2030 fielding goal, and no financial information. Readers should treat the performance descriptions as the company's own account of the test; no independent or government confirmation was included. The Missile Defense Agency, the customer for the program, was not quoted.
Lockheed Martin trades on the New York Stock Exchange under the ticker LMT. The next verifiable checkpoint identified in the release is the Critical Design Review, for which no date was announced.
Source: PR Newswire
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