U.S. Navy Submarine First In World Fitted With Silent Caterpillar Drive - Naval News
Submarines use stealth to dominate the seas, presenting an illusive yet deadly threat. Now U.S. Navy submarines will take stealth to a new level. American submarines will now be fitted with magnetohydrodynamic drive.
However awesome the caterpillar drive is, there are now women serving onboard US Submarines.
Advantage negated
You're more spot on than you think.