SEOUL -- A pair of reconnaissance drones hovered silently with their cameras scanning a facility for enemy activity. Moments later, assault drones armed with K2 rifles locked onto their targets and opened fire. After the outdoor area was confirmed to be neutralized, an uncrewed armored vehicle rolled forward, clearing a path through potential minefields. Behind it, South Korean and US troops advanced under the cover of smoke grenades, preparing to enter. This scene unfolded on Wednesday at the