The first being the PKX-A or Yun Youngha class missile patrol ship (Hangul: 윤영하급 고속함), and the second the PKX-B class  patrol boat (also known as Chamsuri-211 class patrol boat).
第一個是PKX-A或YunYongha級導彈巡邏船（Hangul：윤영하급속속속），第二個是PKX-B級巡邏艇（又稱Chamsuri-211級巡邏艇）。