Heads of families in their 40s and 50s, who are participating in a four-day winter camp in the army organized by the Guisung Unit under the Special Warfare Command in Incheon, are walking with a stoop, shouting, I can do it! on January 20. Jung Seon-bok, Roh Jae-yong, Lee Dong-gu, and Oh Sang-hoon; from the left of the front line.