There was a more serious 'prank' at Chivenor some years ago when a trainee was badly injured (I think burned by lighter fuel).
I worry about the pilot in this current episode - how will he cope with a 'resistance to interrogation' episode? In the bad old days he would have had cold water thrown over his 'naughty bits' and a girl would have been laughing at the size of said bits. As he was blindfolded he would always worry about who the girl was, should he meet her in real life.
Old Duffer