The first arrival for Exercise Formidable Shield is a US Navy destoyer spotted sailing up the Clyde.
The USS Porter, an Arleigh Burke-class destroyer, sailed down the Largs channel earlier today as it arrived in the area ahea of the multi-nation exercise starting on May 8.
Exercise Formidable Shield will see vessels, aircraft and soldiers from multiple nations train in the North Atlantic.
The exercise runs from May 8 to 13, and will give nations and units practice of working together with live fire exercises against ballistic and air targets.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here