The Summer 2016 edition of the RAF Club's magazine arrived today. It includes an article from an unnamed author titled 'THE SKY'S THE LIMIT. The Air Cadets at 75', which includes:
...In sum, as we entered the Air Training Corps' 75th anniversary, we were faced with a challenge that could not be ignored. The gliders were grounded for sound reasons and it was simply not an option to continue to operate without an assured safety case in place. Two years of technical analysis led to a difficult position where the cost of Vigilant recovery was actually greater than the acquisition of new aircraft and so the RAF senior leadership resolved to field a new system instead...
Interesting. 'it was simply not an option to continue to operate without an assured safety case in place', eh? Use of the word 'continue' seems rather to be an admission that they'd been operating without an assured safety case hitherto.