Leonardo DRS, Inc. develops and manufactures a broad portfolio of mission-critical defense products deployed across land, air, sea, space, and cyber domains. The company's core capabilities include tactical radars, infrared sensing, counter-unmanned aircraft systems (C-UAS), and electric power and propulsion systems. A notable program includes providing propulsion technology for the U.S. Navy's Columbia-class submarines. It serves all branches of the U.S. military, major aerospace and defense prime contractors, and international military customers. Originally founded in 1969 as Diagnostic/Retrieval Systems, the company was acquired by Finmeccanica (now Leonardo S.p.A.) in 2008 and returned to the public markets in 2022 following an all-stock merger with RADA Electronic Industries.