Jin is currently a drill instructor while Seungyoon only enlisted on Jun 20.
Jin (left) posing with Seungyoon (right). (Photo: Weverse/BTS)
Jin writes: "Seungyoon, congratulations on your completion (of training). It's been a great six weeks...I wanted Armys and Inner Circle (fans of Winner) to like it, so I took a picture to commemorate."
His post received praise from multiple supporters, including his BTS bandmate Jungkook who replied: "That's awesome."
Jin is currently serving as a military drill instructor after completing his basic training. He was the first member of BTS to enlist in the military and is expected to serve until June 2024.