His voluntary decision to begin service immediately after graduating high school drew attention.
His agency described the choice as "a long-held intention finally realized."
Fans have expressed support for a healthy service and a mature return.
What promise is he keeping by enlisting?
Overview
The enlistment was not a surprise.
The 2007-born singer Jeong Dong-won entered the Marines' training center in Pohang, North Gyeongsang Province, on February 23, 2026 — a date that carries more meaning than a calendar entry.
His agency said he will continue active duty for 18 months after completing basic military training, and they respect his decision.
A young celebrity's voluntary military service sits at the intersection of personal promises and public responsibility.
Meanwhile, the public image and fanbase he built since his debut will be seen in a new light because of this choice.
The remake album released before enlistment and a fan concert served as a brief farewell rather than an ending.
However, this move should not be read only as a pause in activity.
It more strongly signals a link between social role and personal growth.
Background and career
He comes from Hadong in South Gyeongsang Province.
Jeong debuted in 2019 and rose to national attention after placing fifth in the 2020 TV talent show "Mr. Trot" (a popular Korean singing competition), earning the affectionate nickname "the nation's grandson."
He had stated his intention to join the Marines around the time of his high school graduation, suggesting a prepared decision.
"If I was born a man, I want to serve and come back looking proud."
Through YouTube and interviews he sought advice from singers who previously served in the Marines, sharpening his mindset.
In early February, just before enlisting, he released a remake mini-album, "Souvenirs Vol.2," and held a fan concert at KINTEX in Goyang on the 13th.
His agency — Showplay Entertainment — voiced support, calling it a long-cherished intention.
Public preparation can turn a private choice into a social commitment.

Social meaning
A public figure's military service is symbolic.
When a celebrity volunteers for conscription (mandatory military service), it revives national conversation about duty and fairness.
The public may celebrate such acts as responsible behavior worthy of emulation, but critics warn against demanding excessive sacrifice from public figures.
In Jeong's case, the quiet approach to enlistment chosen by his agency and fans stands out.
On one hand, it is a practical step to avoid crowding at the training entrance; on the other, it reflects an ethical effort to protect both fans and the enlistee.
Balancing publicity and privacy is a difficult line to walk.

Arguments in support
It is an act of responsibility.
Supporters view a young entertainer's voluntary military service positively, arguing it exemplifies keeping a social promise.
Especially in an era when debates over draft evasion recur, a forthright, sincere attitude can build public trust.
First, the symbolic effect is large.
A famous person's responsible action can influence fans' values and prompt younger people to see military service as a communal duty rather than only a personal burden.
Second, service can foster personal maturity and professional benefits.
Military life builds physical endurance and discipline, and many who return find a different public image and new career opportunities.
Third, the agency's quiet planning and the fans' support function as social safeguards that help the star fulfill his obligation safely.
For example, several entertainers who completed their service returned with more stable careers.
They leveraged their service experience to present a more mature image and sustain trust with fans, which translated into long-term activity.
Therefore, supporters argue that short-term absence can be outweighed by long-term gains.
Arguments against
There are valid concerns.
Opponents point out that military service can disrupt a career.
First, the entertainment industry moves quickly.
Shifts in music and media consumption happen fast, and a gap for a young star can hand opportunities to newer acts and weaken visibility.
Second, in fandom-driven economics, a pause in activity often means a direct drop in income.
Concerts, streaming revenue, and advertising deals usually shrink during an absence.
Third, there are physical and mental risks to intense Marine training.
Such strain can cause injury or stress that affects performance after discharge.
Moreover, poor preparation by an agency or management can complicate post-service career planning.
Without a systematic comeback strategy, returning to a previous standing is difficult.
Because of such factors, critics urge weighing practical costs and industry risks, not only moral arguments.
Comparative cases show some idols and actors have failed to regain their former status after service.
They faced brand erosion and fan attrition, resulting in financial loss.
So critics emphasize that a sense of duty alone does not erase structural industry challenges.
Where gains and losses intersect
Both benefits and drawbacks coexist.
Jeong's enlistment is an attempt to balance private honor with public expectation.
Going forward, the key will be career planning and public reception.
From this perspective, financial preparation and psychological support are crucial.
The agency and fan clubs should design programs and content that bridge the hiatus, which goes beyond promotion to ensure stability.
Also, family and workplace support matter.
If Jeong has a solid support system at home, he is more likely to maintain emotional stability during service and reintegrate more smoothly afterward.
Policy and cultural implications
The debate goes beyond one individual.
A public figure's fulfillment of military duty invites reexamination where institutions and culture meet.
The public may cheer a personal choice while also calling for protections for those who serve.
Jeong's case highlights where conscription, the entertainment industry, and fandom culture touch.
Discussion should move past simple praise or criticism toward concrete improvements in career planning, health care, and reintegration support for young people.
For example, institutional measures could include pre-, during-, and post-service management for entertainers, mental health and retraining programs, and coordinated comeback roadmaps involving fans and the industry.
Conclusion
Jeong Dong-won's enlistment in the Marines is both a personal decision and a public event.
His choice represents responsibility and forces a reevaluation of how the entertainment industry handles mandatory service.
Both sides of the debate have merit, and ultimately what matters most is preparation and social support after service.
Behind a public decision lies the need for careful planning to protect the individual and rebuild a career.
In short, Jeong's enlistment is commendable as a kept promise, but its career impact and industry consequences must also be considered.
Society can support him while creating practical systems to help his return.
We ask readers: how do you view a celebrity's voluntary military service?