I always find it interesting that blame is always considered as a one dimensional thing that is usually applied to the individual actors in an occurrence. As many have already stated, often it is the organisation behind those actors that has contributed to the decisions that are made by well meaning individuals trying to do their best with what they have. The thing is that the right culture is hard won and easily lost. The challenge for any regulator is having the balls to intervene appropriately to uphold 'Just Culture', but first having ensured a properly subjective investigation has been carried out to support any decision on culpability.
The fact that the UK Military operates within a single legal system whilst being, in effect, the airline, the ATM provider and the Airport operator as well as the investigator and the regulator should make the task far easier. Especially compared to the civil aviation industry in Europe with such a diversity of legal frameworks and so many different organisations and national institutions between the flight crew/ engineers and the regulators.