Monday, July 1, 2019 
D.O. has enlisted in the military for his mandatory service.
On July 1, SM Entertainment took to EXO's official Instagram account to share a set of images featuring the boys all together before his enlistment. D.O. is seen with a military-style shaved head, and in one picture, the members can be seen playfully touching it.
The caption simply reads: "We are one EXO."
Meanwhile, D.O. is the second EXO member to enlist, following fellow vocalist Xiumin.
Check out the full Instagram post below!
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I still can't believe Yixing is there. That's not fair. We didn't even know he came back to Korea.
I just want to wish for Kyungsoo to stay healthy and safe and to make new friends and many happy memories. We'll patiently wait for him! ❤❤ We are ONE
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