Not at all Sandy, but perhaps your ire might be directed a little closer to home than the media.
If 'sonar buoy' is good enough for the Royal Aeronautical Society, you can't really blame the BBC for getting it wrong.
Royal Aeronautical Society | Insight Blog | SDSR 2015 ? Issues, options and implications
For example, a Reaper RPAS or similar could not release and exploit a field of sonar buoys.