[2020] Question that keeps getting ignored in the proper section

"Capture 7 points in naval battles whilst controlling a vessel or aircraft." - you need to do it in rank II+

"Destroy 3 enemies with torpedoes whilst controlling a vessel or aircraft." - you need to do it in rank II+

Because both things counts for navy, and in navy requirement is rank II or higher as we stated here:

And your last question:

Yes, it should count for both tasks if you do it on rank III+ aircraft with torpedo.