Flag of <a href="https://en.wikipedia.org/wiki/General_Staff_Department_of_the_Korean_People%27s_Army" class="extiw" title="w:General Staff Department of the Korean People's Army">General Staff Department of the Korean People's Army</a>. The text says "조국의통일독립과" and "인민의자유와행복을위하여" — "For the unification and independence of the motherland, and the freedom and happiness of the people."
<div style="display:inline-block;padding:0 3px;background-color:#CCF">Original:</div> <div style="display:inline-block;padding:3px 0;">Unknown</div> <div style="display:inline-block;padding:0 3px;background-color:#CCF">Vector: </div> <div style="display:inline-block;"><a href="//commons.wikimedia.org/wiki/User:%E7%97%9B" title="User:痛">燃灯</a></div>
2022-11-21
Own work based on: <a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=HMwC03dLuMU&amp;t=1818s">YouTube video</a> @ 30:18