Military aircrew from as far afield as Australia and the Czech Republic are in North Yorkshire as part of an exercise to prepare British crews for war.
Royal Air Force helicopters and fast jets are involved in the training at RAF Leeming, where pilots are gaining advanced skills in air warfare.
The base was chosen because it is close to the North Sea and training areas like Otterburn.
More top news
The trophy started at Hadrian's Wall before passing through Hexham and Newcastle on its way to Alnwick.
Andrew Pullan's canoe capsized and he was pulled under the water near Barnard Castle in October 2013.
298 people were killed in the atrocity including Newcastle United fans Liam Sweeney & John Alder.