Companies

Naval electric propulsion

Leonardo DRS

US defence electronics firm majority-owned by Leonardo, supplying naval electric propulsion motors, drives and power systems.

About Leonardo DRS

Leonardo DRS is a US defence technology company headquartered in Arlington, Virginia, listed on Nasdaq and majority-owned by Italy's Leonardo S.p.A. Founded in 1969, it reported 2025 revenue of USD 3.6 billion and about 7,300 employees.

Its naval power and propulsion business supplies power distribution, conversion, propulsion and energy storage for US and allied surface ships and submarines. Products include permanent magnet propulsion motors, integrated electric drive and hybrid electric drive systems, variable frequency drives, motor controllers, switchboards, circuit breakers, power electronic modules and the Energy Magazine storage system.

Leonardo DRS is the main supplier of the electric drive propulsion system for the US Navy's Columbia-class ballistic missile submarines, with contracts worth over USD 3 billion; it shipped the first production main propulsion motor to General Dynamics Electric Boat in 2022, with work at Fitchburg (Massachusetts), Milwaukee (Wisconsin) and Danbury (Connecticut). It also supplies hybrid electric drive for the Republic of Korea Navy's Ulsan-class frigates, the PA44 motor for the US Coast Guard Offshore Patrol Cutter and electric propulsion for Korea's KDDX destroyer programme.

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Products (3)

Leonardo DRS

Permanent magnet propulsion motors

Naval electric propulsion motor

High power-density permanent magnet motors incl. a 36.5 MW IED motor and the Columbia-class submarine main propulsion motor.

Leonardo DRS

Naval power & propulsion systems

Integrated power systems / drives

Power conversion, drives, distribution and energy storage for naval surface ships and submarines.

Leonardo DRS

Hybrid electric drive (HED) motors

Naval hybrid electric drive

Gear- and shaft-mounted HED motors of 1.5-1.7 MW and the 625 hp PA44, used on Ulsan-class frigates and USCG OPC.