316th TRS welcomes new commander Published June 18, 2021 By Senior Airman Ashley Thrash 17th Training Wing Public Affairs GOODFELLOW AIR FORCE BASE, Texas -- The 316th Training Squadron conducted a change of command ceremony, here at the Base Theater, June 18. The 316th TRS welcomed incoming commander, Lt. Col. Erwin Mason, and thanked the outgoing commander, Lt. Col. Christopher Sharp, for his hard work and dedication. The 316th TRS trains and develops intelligence, surveillance, and reconnaissance cryptologic leaders.