The episode title "Parallax" refers to how an object differs when viewed from a different perspective.
CTR is short for Close Target Reconnaissance.
The mission milestones are based on Race-car drivers : [Richard] Petty, [Dale] Earnhardt.
ND is short for Nondescript.
We learn a lot of surprising details about Mandy in this episode, namely that she never knew her father and her mother was a con artist.