Why was the Goodyear blimp flying over Central Pennsylvania?

ALTOONA, Pa. (WTAJ) — If you were out and about Tuesday afternoon and looked up, you may have caught the Goodyear blimp red-handed as it flew over Central Pennsylvania, including Altoona. Altoona residents took to social media with photos and videos, saying it's not something you see very often. Some said they’d never actually seen [...]