A Sikorsky CH-148 naval helicopter conducted its first anti-submarine warfare testing with HMCS Windsor off the coast of Nova Scotia recently.
By Gerry Metzler (http://www.flickr.com/photos/flyguy71/6903672186/) [CC BY-SA 2.0], via Wikimedia Commons
The exercise is part of the Operational Test and Evaluation (OT&E) of the helicopter.