![Ulsan-class FFX-111 frigate](https://www.marinelog.com/wp-content/uploads/2023/11/Ulsan-Class-FFX-Batch-III-HHI-ROK-Navy-South-Korea-300x225.jpg)
DRS hybrid drive system successful in sea trials of Korea’s first FFX-III future frigate
Arlington, Va., headquartered Leonardo DRS, Inc. (NASDAQ: DRS) reports that the Republic of Korea Navy’s first Ulsan-class Future Frigate experimental Batch-3 (FFX-III) has successfully completed sea trials. DRS provides the hybrid electric