Aerial Phenomena Research Group (APRG-US)
|Aerial Phenomena Research Group|
|Main organ||"APRG Reporter"|
The Aerial Phenomena Research Group (APRG) was a Washington-based ufology organisation, established in the mid-1950s by Robert Gribble, who went on to direct NICAP, and founded the National UFO Reporting Center (NUFORC) in 1974. The group published a periodical entitled the "APRG Reporter".