I'm pretty sure that here anyone in the services, eg patrolling police force, fire service etc, have to pass a vigourous fitness test. These people need to be able to chase after criminals and will encounter situations on a regular basis where they need strength and fitness.

I think it's total madness that he was fired simply on the basis of a memo. As chief, he had a right to tell his officers what concerned him. I don't really think it was an issue that he called them 'jelly babies', so what? Surely someone big enough to work for the good of their country is big enough to see past a comment and to do something about it.