Its not flexible. Pilots are less useful if they must be sleeping on multiple rigid times.
Its risky. Because if you lose a nap you are fucked. And this is exactly the type of screw-up the military likes least. You train people to stay functional under duress. Not to be germless lab pigs that fall like a feather missing a nap.
Polyphasic is useless for the military IMHO.
Its not flexible. Pilots are less useful if they must be sleeping on multiple rigid times.
Its risky. Because if you lose a nap you are fucked. And this is exactly the type of screw-up the military likes least. You train people to stay functional under duress. Not to be germless lab pigs that fall like a feather missing a nap.