The Navy’s confidence in Raytheon’s expertise is further underscored by a separate $192-million contract awarded in October to develop an upgraded NGJ-MB Expansion (NGJ-MBX) system.
Lockheed Martin’s $245M Contract Extension for MK 48 Torpedo Upgrades
In a parallel move to bolster its undersea warfare capabilities, the US Navy extended Lockheed Martin’s contract for the MK 48 Guidance and Control (G&C) program by $245 million.
This contract, announced on December 4, focuses on enhancing the Mod 7 version of the MK 48 submarine-launched torpedo, a weapon widely regarded as one of the most capable in the world.
The Mod 7 variant, co-developed with the Royal Australian Navy, features a high-explosive 650-pound warhead capable of devastating both surface ships and submarines.
The guidance and control upgrades will improve the torpedo’s precision and lethality, ensuring that it remains a formidable tool in the Navy’s arsenal.

Tom Warner, Lockheed Martin’s Vice President of Undersea Warfare, emphasized the company’s ability to revitalize and accelerate the production of this critical technology.
This contract extension also supports allied forces, including Australia, through foreign military sales, reinforcing international defense collaborations.
The MK 48 is operational across the US submarine fleet and is also used by the navies of Canada, the Netherlands, Brazil, and Taiwan, demonstrating its global impact.
Implications for the US Navy
These contracts highlight the Navy’s strategic priorities in both electronic and undersea warfare.
The NGJ-MB system equips the EA-18G Growler with the tools needed to counter increasingly sophisticated threats, enhancing situational awareness and mission success.
Similarly, the upgraded MK 48 torpedoes ensure the Navy retains dominance in undersea combat, particularly as adversaries expand their own submarine fleets and capabilities.
Investments in cutting-edge systems like these reflect a broader Pentagon strategy to address near-peer competition from nations like China and Russia.
As electronic warfare and undersea threats grow more complex, the Navy’s emphasis on innovation and rapid deployment will be critical to maintaining operational superiority.
Strengthening Partnerships and Readiness
Both projects underscore the importance of collaboration between the Navy and its international allies.
The joint development efforts with Australia for the NGJ-MB and MK 48 Mod 7 reflect the value of shared resources and expertise in addressing common security challenges.
Furthermore, by involving allies in these advancements, the Navy strengthens its network of interoperable forces, ensuring a united front against global threats.
Final Thoughts
The US Navy’s recent contracts with Raytheon and Lockheed Martin signal a forward-looking approach to modernizing its combat systems.
The NGJ-MB system enhances the Navy’s ability to dominate the electronic spectrum, while the MK 48 torpedo upgrades solidify its supremacy in undersea warfare.
Together, these investments not only ensure the Navy’s readiness for modern conflict but also reinforce critical alliances that contribute to global security.
As the Navy continues to face evolving challenges, partnerships with defense giants like Raytheon and Lockheed Martin will remain essential in safeguarding the maritime domain.








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