The Abyss (1989)

 

Directed by James Cameron. Found on Tubi. Ed Harris, Mary Elizabeth Mastrantonio, Michael Biehn, Chris Elliott. 

https://en.wikipedia.org/wiki/The_Abyss

https://cinephiliabeyond.org/the-abyss-james-camerons-exploration-of-humanity-and-love-in-the-heart-of-the-ocean/

https://www.denofgeek.com/movies/the-abyss-the-ultimate-james-cameron-movie/

https://www.vulture.com/article/why-was-the-abyss-a-flop.html 

https://www.denofgeek.com/movies/the-ultimate-michael-biehn-interview-the-abyss-tombstone-and-his-directorial-debut-the-victim/