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Northrop Grumman has successfully completed a major test in its 2025 SMART Demo program, firing the first of two newly developed solid rocket motors.
The SMASH!22 motor is a 22-inch-diameter solid motor adaptable, scalable, half time/cost configuration.
During a static test this week, engineers evaluated a range of advanced manufacturing approaches and new materials intended to speed up development, improve performance and reduce costs.
Northrop Grumman said the test produced a full suite of data to support further analysis and refine understanding of the technologies involved.
A second motor under the program, the BAMM!29 2.0, is a 29-inch-diameter Bombardment Attack Missile Motor and is scheduled for static testing in early 2026, extending what Northrop Grumman described as an ambitious year of development progress.
The SMART Demo program aims to customise solid rocket motor designs to meet industry requirements and specifications.
Northrop Grumman developed both new motors by incorporating advanced tooling, manufacturing components, and equipped a broader supplier base to accelerate production and increase flexibility across future systems.
Both motors were designed, manufactured and delivered within 12 months.
