HUD reticle question

Hey all,

Working on a lock on system for my game. All is working pretty well but I would like to add that "fighter hud" effect where the reticle lags behind and catches up the player when they level off. I'm just not quite sure where to start, another canvas item with some sort of delay or tweening module? I'm open to any ideas?

I have my reticle here which is basically static:

Where would I begin adding this kind of effect:

The circle reticle will basically "lag" behind the static one and eventually sync up with it when the plane levels off. Please let me know if you have any ideas, thanks!!!