As a submariner can confirm that every window on a submarine has this.
@BigJohnson86, fellow submariner here. Also can confirm that all windows have hand cranks.
Biff: Oh ya Doing what?
Marlene McFly: Washing my hair.
Biff: That's about as funny as a screen door on a battleship.
Marty McFly: *Quietly* Screen door on a submarine, you dork.
@Good Guy Satan, Did... did you mean Loraine?
I LOVE THAT IM STATING THE OBVIOUS JOKE THAT IS BEING STATED AND I MUST SCREAM THIS FACT
Wow Collin has gotten grey! He's my favorite
WHY ARE YOU YELLING ON A SUBMARINE?! YOU WANT PEOPLE TO HATE YOU?
Even with the screen door it was still too hot on the sub?