The singer is the third member of the group to enlist so far.
Get all the details about the BTS member's second solo single.
Suga is the third BTS member to begin mandatory military service, following Jin and J-Hope.
The singer's debut performance of his new solo single took place on Naver's "NPOP" variety show.
The track will be included on the "Step by Step" singers' upcoming The Block Revisited anniversary album.
The LP will arrive this fall.
The football star was in attendance at the K-pop group's Born Pink show in New Jersey.
The buzz-cut singer said the K-pop group's solo activities are a break for the band and ARMY necessary to "come back as a whole."
The singer released two songs from the September-slated record last week.
The record is due out next month.