The so-called swimming test is another pointless invention of the Hitlerjugend of the jockstrapping branch. It is, of course, utter bollocks.
They are obviously desperate to cling on to their empire. How is it that everything else has been cut back and pruned, that you can't even have real white A4 paper but there is a seemingly limitless budget for jockstrappers' torture apparatus?
Bring back the civilsation of the 1970s. Did we really have aircrew falling over dead in those days because they weren't fit enough to do their primary job? Did we hell! And everyone was so much less stressed out....