To my knowledge, the U.S. has a voluntary Army. Nobody got "sent" that wasn't aware of what they were doing. Myself and my son are both Military vets who "volunteered" and don't regret it, unlike some in the White House that never enlisted.
Thank you and your son for your service.
My girls: Isleen - 2014 F6BD Saorla - 1995 FLSTN Heritage Special
"Politeness, n: The most acceptable hypocrisy." Ambrose Bierce