Not That I'm Counting

In the rush of getting Halloween costumes on for school this morning (we've got a cyborg, a cave woman, a half man/half woman, and a cheerleader), the kids forgot to rip off the last link in the paper chain.
There it is above, just waiting to be torn to shreds in celebration, because that final link means one small but significant thing.
This is it. Today is the day.
Mom and Dad (Grandma and Grandpa) are in the air. They land tonight. Five years and two missions are finally over. I get my...