Answer
In 2016, Changmin, a member of the renowned K-pop boy band TVXQ, enlisted for his mandatory military service in South Korea. As per the country's regulations, all able-bodied men are required to serve in the military for approximately 18 to 21 months. Changmin fulfilled his duty and was honorably discharged in 2018, resuming his successful career in the entertainment industry with TVXQ.