• Key lawmaker warns UFOs are potential national security threat at first public hearing on phenomenon in decades
원문출처 : https://www.cnn.com/2022/05/17/politics/ufo-sightings-congress-hearing-what-matters/index.html
원문출처 : https://www.cnn.com/2022/05/17/politics/ufo-sightings-congress-hearing-what-matters/index.html