Royal National Lifeboat Institution
The charity was forced to defend itself against the Mail on Sunday's criticism of its work saving children's lives outside the UK.
Some 19,000 people have signed up to the Facebook event in the Scottish Highlands, which promises "to find dat big boi".
When you hear the call, the initial adrenaline rush is quickly replaced with the practicalities of getting to the station and mentally preparing for what might be expected of you