This is the military aircraft designation alphabet.
Excitement is in the air as the planes are arriving ahead of Thunder Over Louisville this weekend.
The training started May 14, and is expected to continue through May 21.
The Navy in particular is going to have a special legacy flight with four different planes coordinating in the routine.
The training is expected to last from Feb. 26 to March 5, 2023.
A Black Hawk Helicopter based out of Fort Knox landed at the fair for a six hour stop.
The Thunder Over Louisville air show starts Saturday afternoon, but there's plenty of action in the skies the day before the show.
If you feel thirsty, doctors say you're already dehydrated.
Officials said autonomous helicopters can help Army pilots focus less on mechanics and more on the mission at hand.
The locations were chosen “to showcase the unique Australian landscape from a different perspective, and without having to worry about continued border closures,” the airline said.