03 April 2025 Rear Adm. Craig T. Mattingly Concludes Tenure at NSTC, Strengthening Navy Training Programs Rear Adm. Craig T. Mattingly was relieved by Rear Adm. Matthew T. Pottenburgh as commander of Naval Service Training Command (NSTC) during a combined Recruit Training Command (RTC) Graduation and change of command ceremony held April 03,2025 at Naval Station Great Lakes...