VASSALBORO — Thirty teenagers who are aspiring to be Maine State Police troopers are completing a three-day training course.

The coed class finishes its training Thursday at the Maine Criminal Justice Academy in Vassalboro. The class includes 17-, 18- and 19-year-olds who have participated in several classes, including crime-scene processing, ethics, personal defense and physical fitness.

The class members will receive their certificates on Thursday afternoon.