BTS fans mourn as members begin mandatory military service, delaying reunion concerts. Enlistments started in December, with oldest member Jin entering training center near North Korean border. J-Hope, Suga, RM, V followed suit. Jimin and Jungkook enlisted on Tuesday. Military service typically lasts 18 months. South Korea debated exempting BTS due to their economic impact and cultural exports. Parliament revised law to defer enlistment for cultural icons until age 30. Fans urged to avoid enlistment sites.