This classic tug was built in 1961 by J.I. Thornycroft & Company Limited as the Thorness for Red Funnel Tugs of England. In 1983, she was purchased by Atlantic Towing Ltd. and renamed Irving Juniper. She was renamed Atlantic Juniper in 1996. In 2000, she was repowered. The Atlantic Juniper was retired from service in 2013.
The veteran Atlantic Juniper is currently laid up in Saint John, New Brunswick.
- Type: Twin Screw Tugboat
- Year Built: 1961
- Builder: John I. Thornycroft & Co. Ltd., Southampton, England
- Horsepower: 1,400 bhp
- Length: 102′ 00″
- Breadth: 27′ 02″
- Depth: 10′ 01″
- Port of Registry: Saint John, NB