What do they say in the Army in these situations?

‌I've been watching military-related YouTube videos lately.
In the Navy, Air Force, and Marine Corps,
there are phrases that often come up during training:
"You're the ones who chose this!"
"If you don't like it, I'll let you out"
"Go join the Army!"
But what do they say in the Army?
For reference, my younger sibling who went to Nonsan
was told things like:
"I'll let you out"
"Go to a division training center!"
"Go to a replacement unit!"
....