Tennessee Department of Safety and Homeland Security Commissioner Jeff Long and Tennessee Highway Patrol (THP) Colonel Matt Perry welcomed the newest graduating classes of Tennessee State Troopers this month (March 2022).Just 8-months prior, Colonel Perry told WGNS NEWS…The department simultaneously instructed a regular 16-week trooper cadet class and a 10-week lateral trooper cadet class. The lateral class returned from their district assignments for the graduation ceremony that took pla .