Roks, a privately owned Ukrainian company founded in 1994, manufactures telecommunication equipment, along with multi-functional microwave devices and units.
The ROKS Chungmugong Yi Sun-sin participated in VBSS training with the ARM Belito Juárez and RSS Stalwart on an unspecified date. On January 3, 2024, the ROKS Cheonan conducted training exercises in the Yellow Sea with other South Korean warships. A survivor of the 2010 sinking of the ROKS Cheonan assumed command of a ship with the same name in December 2023. The Cheonghae Unit, deployed aboard the ROKS Yang Man-chun, returned to a naval base in South Korea on an unspecified Monday after a six-month deployment to the Gulf of Aden, having left Busan in September of the previous year. An announcement indicated plans to attend CabSat 2024 in Dubai from May 21-23.