
Built in 1957, by the Bollinger Machine Shop of Lockport, Louisiana (hull #15) as the Dick Bollinger for the Bollinger Machine Shop of Lockport, Louisiana.
In 1970, the tug was acquired by the Cajun Towing Company of Cut Off, Louisiana. Where she was renamed as the Cajun III.
In 1981, she acquired by C.J. Langengelder and Son Incorporated of Baltimore, Maryland. Where the tug was renamed as the George H.
She was named for George H. Langenfelder. The first president of C.J. Langengelder and Son Incorporated.
In 1994, the tug was acquired by the Vane Brothers Company of Baltimore, Maryland. Where she retained her name.
In 1999, she was acquired by the Clearwater Marine Towing Company of Wallingford, Pennsylvania. Where she was renamed as the Vigorous.
In 2011, the tug was beached and scrapped at Philadelphia, Pennsylvania. She was a twin screw tug, rated at 800 horsepower.
(John Curdy, Dave Boone)