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We are L3Harris
L3Harris FOS
L3Harris Fuzing & Ordnance Systems (L3Harris FOS) is the largest fuze manufacturer in the United States and is one of the most advanced manufacturers of Fuzing and Ordnance products in the world.

L3Harris FOS specializes in the development and production of fuzing and safe, arming devices as well as the manufacture and integration of ordnance systems for air-dropped, tube-launched, missile and rocket-driven devices, and infantry-employed ordnance products for the U.S. military and our international allies.
Awarded $28.4 Million Contract Modification for FMU-139C/B Fuzes and Accessories
Awarded Multi-Year Contract to Supply U.S. Army Mortar Fuzes
Received Contract Modification for M783 Mortar Fuze
Our Mission Statement
Our mission is to support the warfighter by providing highly reliable fuzes, safety and arming devices, proximity sensors, and related products. We will continue to innovate and develop unique solutions by leveraging our valued workforce.
Ordnance Solutions for Today’s Warfighter