Members of the Republic of Korea Navy Special Warfare Flotilla (R.O.K. Navy UDT/SEAL) conduct knife fighting drills on board a R.O.K. Navy destroyer.
This unit is part of the CHEONGHAE ANTI-PIRACY Force that operates under the COMBINED TASK FORCE 151 (CTF-151).
CTF-151 is a multi-national task force under the U.N. Security Council that is tasked with securing the area in the Gulf of Aden to combat Somali pirates that have been wreaking havoc with commercial shipping.