As I've mentioned before, there are no express FAA and/or NPS regulations which prohibit drone flights in the public airspace above national parklands. Thus, you can legally launch, land, and operate a drone outside park boundaries and fly over...
No, the National Park System and National Park Service were created decades before anyone conceived of a drone, so the enjoyment of drone pilots had nothing to do with the purpose of their establishment. National parks, at least, are...
"Well, you've done your part in gathering information. You should call your nearest FAA Field office and report it. It's very odd for him to be flying such aircraft and in such manner, being so far from any workable area (those things aren't...