An American F-22 fighter jet has shot down a car-size unidentified flying object (UFO) over Yukon, Canada, Canadian Prime Minister Justin Trudeau announced Saturday (Feb. 11). A fighter jet with the North American Aerospace Defense Command (NORAD), which is run by both the U. S. and Canada, shot down the strange object at the behest of Canada, Trudeau said, according to The New York Times (opens in new tab) . "I ordered the take down of an unidentified object that violated Canadian airspace," Trudeau wrote on Twitter (opens in new tab) . Canada is now in the process of recovering the wreckage to determine its origin and nature. Related: US military shoots down small object over Alaska This is the second time in a few days that a strange object has been shot down after entering U. S. airspace. Another object was detected entering U. S. airspace around 9 p. m. Alaska time on Thursday (Feb. 9) and the U. S. government subsequently sent a surveillance plane to track it. The object was flying between 20 and 40 mph ( 32 and 64 km/h) at an altitude used by civilian aircraft. It crisscrossed land over Alaska before heading out to sea. It was flying toward the North Pole when it was shot down over the Arctic Ocean off the coast of Canada, John F. Kirby, a spokesman for the National Security Council, said in a news briefing on Friday (Feb. 10). Thus far, the U. S. does not see evidence that that object posed a military threat, officials said. Related: Previous Chinese spy balloons over US were classified as UFOs: report — Aliens haven't contacted Earth because there's no sign of intelligence here, new answer to the Fermi paradox suggests (opens in new tab) — Search for alien life just got 1,000 times bigger after new telescope joins the hunt (opens in new tab) — Scientists are working on an official 'alien contact protocol' for when ET phones Earth (opens in new tab) The U. S. is now in the process of recovering the wreckage to determine what that first object was. But harsh, icy conditions mean that recovery efforts, which are being assisted by U. S. Northern Command, Alaska National Guard units, the F. B. I. and local law enforcement, are slow-going, according to the New York Times. And just a week ago, a Chinese spy balloon was destroyed Feb. 4 after being detected over Idaho in late January. That balloon, which was much larger than the object shot down over Canada this week, was traveling tens of thousands of feet above civilian airspace and was allowed to cross into the Atlantic Ocean before being taken down by an air-to-air-missile. This strange flying object is just one of many being investigated by the U. S. Department of Defense. In early January, the Pentagon released documents indicating that it was struggling to explain about half of the hundreds of UFO reports it received last year (opens in new tab) . Editor's Note: This story was updated to note that two separate UFOs have been shot down by the U. S. in the past few days. A previous version of the article conflated the two. Originally published on LiveScience. com.