UFOs over North America: What we know about the objects shot down

U.S. sailors recover a high-altitude surveillance balloon off the coast of Myrtle Beach, S.C., on Feb. 5 after an F-22 fighter jet downed the Chinese surveillance device.U.S. Navy via AP There is one thing the White House would like you to know about the unidentified flying objects shot down over the U.S. and Canada this past weekend: they probably weren't sent by aliens. "There is no, again, no indication of aliens or extra-terrestrial activity with these recent takedowns," press secretary Karine Jean-Pierre emphatically told a briefing this week. Other than that, the two countries' governments have given little indication of…