Transcript for Pentagon's former UFO program revealed
Now to the Pentagon's secret ufo program revealed. The military spending millions of dollars to look into ufo sightings and videos from American pilots. Here's erielle reshef. Reporter: These haunting images, part of a bombshell first admission by the military of a government program investigating sightings of ufos. Look at that thing! It's rotating. Reporter: This mysterious black object spotted off the coast of San Diego by Navy fighter pilots in 2004. My gosh. Reporter: That encounter documented by atp, the advanced aviation threat identification program, a shadowy office in the Pentagon that ran from 2007 to 2012. According to the "New York Times." It examined so-called anomalous aerial vehicles. The Pentagon confirming to ABC news the initiative ended in favor of other, higher priority issues that merited funding. Former democratic Nevada senator Harry Reid, who helped secure the $22 million initiative, defending the spending. Tweeting, "This is about science and national security. If America doesn't take the lead in answering these questions, others will." Something like this was a pet project by senator Reid, and some of his colleagues, something that they thought needed to be investigated, but the real question is, was it worth $22 million for two or three fascinating videos? Reporter: The new revelations raising questions about how the government should handle suspicious objects in the sky. Though the funding for the program ended in 2012, the former director of atp telling me tonight that up until two months ago when he left, the program still existed. And Tom, he said they were still documenting sightings. The sightings still continue. Thank you. Much more ahead on "World
This transcript has been automatically generated and may not be 100% accurate.