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More than 3500 personnel served on the ground, 10 of whom never made it home.
Newshub can reveal not only are Defence Force personnel consuming illicit drugs, they're dealing them too.
As NZ prepares to pull its troops out of Afghanistan after 20 years of war, experts here are questioning what it was all for.
Tapara apologised to the Defence Force for her actions in an emotional oral submission.
One has been charged, the other removed from duty and is undertaking corrective training.
"The big question here is whether he acted alone or this is the tip of an iceberg."
In total, he is facing 17 charges.
There's been a 35 percent rise compared with two years ago.