EVERY INCH OF AIR ABOVE GRASS OWNED BY FEDS? "You may be powerless to stop a drone from hovering over your own yard "- The Washington Post

THAT'S WHAT THE FAA CLAIMS:
"According to the Federal Aviation Administration,
every inch above the tip of your grass blades is the
government ' s jurisdiction . " The FAA is responsible
for the safety and management of U .S. airspace from
the ground up , " said an agency spokesman , echoing
rules laid out on its website..."

https://www.washingtonpost.com/news/the-switch/wp/2016/01/13/you-may-be-powerless-to-stop-a-drone-from-hovering-over-your-own-yard/