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flag Bell finishes first phase of U.S. Marine Corps’ SPINE program, upgrading H-1 helicopters for enhanced combat capability and future readiness.

flag Bell has completed the first phase of the U.S. Marine Corps’ SPINE program, upgrading two H-1 helicopters—AH-1Z and UH-1Y—with enhanced structural integrity and electrical systems. flag The modifications, done at Bell’s Amarillo Assembly Center over 19 months, are now undergoing flight testing at Naval Air Station Patuxent River to finalize the configuration for future fleet-wide upgrades. flag The improvements aim to boost survivability, lethality, and integration of next-generation weapons and digital systems. flag Bell says the upgrades ensure the H-1 fleet remains safe, capable, and interoperable for modern combat, with ongoing work planned over the next decade.

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