(Next step in naval evolution: Aircraft Carrier SUBMARINES....................)
The Japs already did that in WW2.
I-400-Class Submarine Aircraft Carriers:
https://en.wikipedia.org/wiki/I-400-class_submarine
Japans secret underwater aircraft carriers
https://youtu.be/gxyk84t4Q8w?si=_MnKh_kuoAevqBms
Yes, they had the right idea.
Another idea for us would be an UNDERATER DRONE BASE SUB. Literally thousands of drones could be carried and launched.....................