Pictured as: the Saturn (Eastern Towboat Company) Photo by: Paul Kinnaly

Built in 1907, by the Neafie and Levy Engine Building Company of Philadelphia, Pennsylvania (hull #1011) as the Bern for the Reading Railroad Company of Philadelphia, Pennsylvania.

In 1952, the tug was acquired by the Independent Pier Company of Philadelphia, Pennsylvania. Where the tug was renamed as the Saturn.

In 1972, she sank in Philadelphia, Pennsylvania. The tug was later raised, repaired, and returned to service.

In 1983, the Independent Pier Company was acquired by the McAllister Brothers Towing Company of New York, New York. Where she was renamed as the Muriel McAllister.

In 1989, the tug was acquired by the Eastern Towboat Company of Boston, Massachusetts. Where she was renamed as the Saturn.

In 1997, she was acquired by an individual or company called Testa. Where the tug retained her name.

In 1997, the tug was then acquired by MRP Site Development of Lynn, Massachusetts. Where she retained her name.

In 1997, she was acquired by an individual named Melissa D. Terry. Where the tug retained her name.

In 1998, she was donated to the Maine Maritime Academy of Castine, Maine. Where the tug retained her name.

In 2003, the tug was acquired by an individual named Jon B. Johansen of Winterport, Maine. Where she retained her name.

In 2007, she was acquired by a non profit organization called Friends of Saturn. A division of the International Maritime Library of Winterport, Maine. Where she retained her name, and work began on the restoration of the tug.

In 2020, the tug was scrapped at Winterport, Maine.

Originally powered by a single, compound steam engine, rated at 600 horsepower. In 1949, she underwent a major refit at Speddin Shipyard in Baltimore, Maryland. Her steam engines, and engine room equipment were replaced with engines from two salvaged military Landing Ship Tanks (LSTs).

Powered by a single, Cleveland 16-278A diesel engine. She was a single screw tug, rated at 1,700 horsepower.