Woof woof woof!
That's my other dog imitation.
Woof woof woof!
Woof woof woof!
For planes, go to the National Museum of the USAF. It's less than 2hr drive from Indy on I-70, you could do it in a single long day.
A great vacation for the tank-lovin' family would be Ox Ranch where you can https://www.drivetanks.com/. It's a bit farther away (Uvalde Texas, west of San Antonio a few miles) and definitely runs some dollars, but hey, you get to drive and shoot with a tank.
Your son has a great hobby, best wishes to him.
Woof woof woof!
It's a wasted trip baby. Nobody said nothing about locking horns with no Tigers.