Built in 1955, by Welding and Shipbuilding Incorporated of Costa Mesa, California (hull #1) as the Elsa for Francis P. Jones of Long Beach, California.

In 1968, the tug was transferred to the Jones Tug and Barge Company of Long Beach, California. Where she retained her name.

In 1982, she was acquired by Thomas J. Zumwalt of Costa Mesa, California. Where the tug retained her name.

The tug was later acquired. by the General Petroleum Corporation of Rancho Dominguez, California. Where she retained her name.

General Petroleum Corporation was later rebranded as Maxum Petroleum Company Incorporated, an independent subsidiary of Pilot Thomas Logistics LLC. of Fort Worth, Texas.

In 2024, the tug was phased out of active service and was "laid up" at Los Angeles, California.

She is a twin screw tug, rated at 900 horsepower.