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Jonathan Cebik takes the oath for promotion to lieutenant commander, administered by U.S. Rep. Joe Courtney, D-Conn., on Sept. 7, 2016.

Jonathan Cebik takes the oath for promotion to lieutenant commander, administered by U.S. Rep. Joe Courtney, D-Conn., on Sept. 7, 2016. (Facebook)

The executive officer of the attack submarine USS Jimmy Carter was relieved Monday due to loss of confidence in his personal judgment, the Navy said Tuesday.

Lt. Cmdr. Jonathan Cebik has been administratively reassigned to Submarine Development Squadron 5, the Navy said in a statement.

“The Navy is investigating questions that have arisen with respect to Lt. Cmdr. Cebik’s personal conduct,” Cmdr. Cindy Fields, a Navy spokesperson, said in an email response to questions by Stars and Stripes.

Fields did not provide specific details on the type or extent of personal conduct.

“The U.S. Navy holds its leaders, including executive officers, to very high standards and they are held accountable when those standards are not met,” the Navy statement said. Executive officers “must demonstrate character and competence in their conduct at all times,” the statement said.

Lt. Cmdr. Robert Osborne will assume duties as executive officer aboard the boat, according to the Navy.

Cebik, a Connecticut native, graduated from the University of Connecticut in 2005, according to a Facebook post by U.S. Rep. Joe Courtney, D-Conn., in 2016. Courtney, then the ranking member of the House Armed Services Subcommittee on Seapower and Projection Forces, administered Cebik’s oath when he was promoted to lieutenant commander after working as a Navy Legislative Fellow in the congressman’s office.

Cebik has served aboard both fast attack and ballistic missile submarines, Courtney said.

The USS Jimmy Carter, homeported at Naval Base Kitsap-Bangor, Wash., is a Seawolf-class, fast-attack submarine. Cebik was assigned to the submarine as executive officer in April 2018.

The nuclear-powered sub is named for the 39th U.S. president and is among the small group of Navy vessels named for a living person. It was christened in 2004.

olson.wyatt@stripes.com Twitter: @WyattWOlson

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Wyatt Olson is based in the Honolulu bureau, where he has reported on military and security issues in the Indo-Pacific since 2014. He was Stars and Stripes’ roving Pacific reporter from 2011-2013 while based in Tokyo. He was a freelance writer and journalism teacher in China from 2006-2009.

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