Suspension of Disbelief Needed

1. They're supposed to be graduating from high school, but the guys all look like they're pushing thirty while the girls appear to be in their mid-twenties.
2. The time frame is totally askew: Carmen is already flying huge starships--yeah, right--and Rico and Dizzy are still in basic training. I don't care how much natural talent you have, it takes a long time to learn how to fly complicated machinery.

Maybe I've seen too many "Everything Wrong With . . ."videos, but it's annoying.