Amid surging demand for sea-based weapons systems, Lockheed Martin agreed to buy naval defense firm Ultra Maritime from private equity firm Advent for $3.45 bln, the company said on Monday. Ultra Maritime, sold by Advent’s CobhamUltra unit, specializes in anti-submarine warfare across air, surface and subsurface domains, including sonobuoy detection, sonar systems and torpedo countermeasures, and supplies the navies of the US, Canada, the UK and Australia.

2026-07-06

Amid surging demand for sea-based weapons systems, Lockheed Martin agreed to buy naval defense firm Ultra Maritime from private equity firm Advent for $3.45 bln, the company said on Monday. Ultra Maritime, sold by Advent’s CobhamUltra unit, specializes in anti-submarine warfare across air, surface and subsurface domains, including sonobuoy detection, sonar systems and torpedo countermeasures, and supplies the navies of the US, Canada, the UK and Australia.