Character mistake: Deni tells Anne she got a report from a scout 1,800 klicks west from here. She might have meant 18, but 1,800 doesn't seem logical. A klick is 1 kilometer (or 0.6 miles). It's unlikely a scout is over 1,110 miles away, which would put him in the middle of Texas.
More trivia for Falling Skies
Question: Did humans at any point on the show ever reverse engineer any of the alien technology?