She then stood by distressed vessels for seven days until they could be towed to the Azores by commercial tug.

Since then, ex-Ottumwa has been extensively modified and serves as a commercial tug in the Puget Sound area.

Tasco was built as a commercial tug of the same name in 1907 at New London, Connecticut.

Brilliant was a commercial tug built in 1903 by the Neafie & Levy at Philadelphia, Pennsylvania.

Wave action drove the ship hard aground, and it was not until the next day that two commercial tugs could pull her free.

On 26 September 1969 she turned the tow over to a commercial tug and then set course for San Francisco.

After more than 40 years of service as a Navy yard tug, she was sold off in 1930 and began a second career as a commercial tug.

Resolute was built as a wooden-hulled commercial tug in 1906 at Mobile, Alabama.

It was the first penetration of the Arctic by commercial tug and barge services.

Charles Mann was built as a commercial tug of the same name in 1903 at South Portland, Maine.