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The crew of the Los Angeles-class fast-attack submarine USS Jefferson City prepares to moor pierside at Joint Base Pearl Harbor-Hickam in 2014.

The crew of the Los Angeles-class fast-attack submarine USS Jefferson City prepares to moor pierside at Joint Base Pearl Harbor-Hickam in 2014. (Steven Khor/U.S. Navy)

FORT SHAFTER, Hawaii — The senior enlisted sailor serving aboard the fast-attack submarine USS Jefferson City has been relieved as chief of the boat due to misconduct, the Navy said Friday.

Master Chief Machinist Mate (Auxiliary) Mark Szymanski was relieved Wednesday by Cmdr. Steven Dawley after completion of an investigation and has been reassigned to Naval Submarine Support Command, Pearl Harbor, Hawaii.

He has been replaced by Master Chief Sonar Technician (Submarine) Daryl Green, the Navy said.

The USS Jefferson City, a Los Angeles-class sub, is homeported at Joint Base Pearl Harbor-Hickam.

A Navy official with knowledge of the investigation said Szymanski had shared tablets of a prescription medicine with two chief petty officers in mid-May. Those officers discarded the pills, which had been validly prescribed to Szymanski, the official said.

Szymanski had served aboard the USS Jefferson City since April 2017. Prior to that he served aboard the submarines USS Olympia, USS Hampton and USS Portsmouth. He enlisted in 2000.

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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