Groton — Capt. Aaron M. Thieme relieved Capt. Andrew C. Jarrett as commanding officer of the Naval Submarine School Friday in change of command ceremonies at the Naval Submarine Base.

Thieme graduated from Vanderbilt University in 1992 with a bachelor's in electrical engineering. Following nuclear power and submarine training, Thieme was assigned to USS Georgia (SSBN 729) Blue Crew from 1993 to 1996, where he qualified in submarines and completed five strategic deterrent patrols.

His next assignment was as combat systems officer on USS Toledo (SSN 769) from 1999 to 2002. During this tour he deployed twice, once to the North Atlantic Ocean and once to the Mediterranean Sea. Following this tour, Thieme successfully completed the Royal Navy Submarine Command Course (Perisher) on HMS Tireless and HMS Sceptre.

As executive officer on USS Annapolis (SSN 760) from 2005 to 2006, Thieme completed a deployment to the Indian Ocean in support of Operation Enduring Freedom. He commanded USS Oklahoma City (SSN 723) from 2008 to 2011, taking the ship through an engineered overhaul and change of homeport to Guam.

Thieme's other assignments included Deputy Commander for Training for COMSUBRON FOUR from 2011 to 2013, Operations Officer from COMSUBDEVRON TWELVE from 2002 to 2004 and duty as an NROTC instructor at the University of Mississippi from 1996 to 1998.

Thieme most recently served as the COMSUBLANT Prospective Commanding Officer Instructor.

Jarrett, who served as CO of sub school since July 2013, relieves Capt. David Roberts Monday as commanding officer of the Submarine Learning Center.