https://globe.adsbexchange.com

you can track aircraft through this site that are in the air

https://henney.com/chm/callsign.htm

this is a guide for military aircraft callsigns and acronyms and what they mean

Currently tracking an AC130J Super Hercules callsign Hive74 ID indicates aircraft is 19th Airlift wing, notation says "exercise callsign" dont know what this means.