When was that? I used to see the A-10s flying almost every day from there, until Iraq 1. Near and dear.
http://www.chacha.com/question/what-was-attributed-as-the-cause-of-the-a%26%2345%3B10-crash-at-willow-grove-naval-air-station-in-1997-involving-air-force-lieutenant-colonel-joost-van-bastelaar