Armed Forces made up of SAS and SBS would be incredible - but obviously impossible for many practice reasons. Armed forces made up of alpha males would be great, but obviously impossible for precticle reasons. Armed forces made of male only troops would be preferable for many reasons, but is impossible for many reasons.
The past is the past, conscription is gone and will not return, numbers are dwindling because recruitments cannot reach targets by only targeting 50% of the work force.
Nostalgia isn't what it used to be.....