The multicultural wing included officers who were born in the Netherlands, Vietnam, Argentina and Hungary.
In attendance at the ceremony were Police Commissioner Andrew Coster, Prime Minister Chris Hipkins, Police Minister Ginny Andersen and wing patron Keriana Brooking.
Docherty said his time in the initial training course had been challenging but “a good type of challenge”.
In particular, he said the academic side of training proved difficult because he had been out of college for a few years so had to readjust to study.
However, the training opened his eyes to what police work was and prepared him to take up his role in the community.
He begins work in Whanganui on June 12.