>Why Germany's new super stealth submarines could take any Navy:
One target at a time still unfortunately.
Unless they break stealth and run Wolfpacks again. That was a bad idea. Certainly not as bad as letting the Indian Government run a military, or peasants armed with pea shooters, but that's another tale. (Sauce for those interested in the Indian Navy nearly sinking it's first home brew nuclear sub because a hatch was left open as it dove on its maiden voyage.
https://www.pakistantoday.com.pk/2019/05/16/indian-naval-sub-arihants-tragedy/)
In any event, you are wrong moran!
The grounded German sub IS diesle/electric:
"The ministry says the Type 212A diesel-electric submarine grazed the ground Tuesday as it was going backward at slow speed, executing a turn as it was departing the Haakonsvern harbor. "
sauce
https://www.yahoo.com/news/german-submarine-inspected-damage-mishap-norway-090458682.html