It was the mother lode, having scoured the world wide internet in search of educational imagery, imagine my dismay on receiving this message:
"images are protected by copyright. Please contact Media and Corporate Communications on 0845 045 45 45 if you wish to use any of the images displayed on this site."
As I have no wish to distract the jolly jack tars battling the all new category of underwater terror, you must click on the 'internet hyperlink' to see this month's winner in all its glory.
The text has surprisingly little useful information, but these lines are solid gold:
"Whilst it is almost impossible to say with any certainty what a terrorist might look like, an individual’s activity or behaviour can become suspicious in the context of the location they are in. "
"Members can report unusual activity through a central telephone number and website link. They may be sent urgent updates or contacted during times of heightened risk and may be given a specific mission regarding an individual, group or vessel causing suspicion."