Webmay 27, 2019 at 11:25 am edt. Pittsburgh — it's a bird? It's a josh bell homerun? Nope, it's the 911th airlift wing flying low for memorial day. Anyone know what they were. Fighter jets have been called in after an army blimp got loose and is now floating over pennsylvania. Webfighter jets and army helicopters can be found on the flight radar map by clicking on the aircraft icons. In addition, flight numbers and call signs such as hawk, mc, usaf,.