Employ a cross section of ages?? Where do you draw the line? An equal number of 18 year olds as there are 50 year olds? How do you work out the proportions of the demographic without being disciminatory to any one group?
You can't!
There will ALWAYS be discrimination in every part of our society... whether it is legal or not depends on what the status quo is. It seems that this case is attepting to create positive discrimination rather than reverse negative discrimination.
As for remembering prep drill, evac, and 5 aircraft... it's not the rocket science so many make it out to be.