On July 8, 1947, the U.S. military claimed to have found a "flying disc." Did they find Martians, and what happened to the craft? #NationalGeographic #NationalGeographicEspanol #UndercoverStories Explore the World with National Geographic Subscriptions: http://natgeo.com/ytngmagazine ➡ Subscribe!: https://youtube.com/@NationalGeograph... Check out more National Geographic series and specials here: ➡ Disney Plus: https://www.disneyplus.com/home ➡ Hulu: https://on.natgeo.com/3Qor0Ko ➡ NGTV app: https://www.nationalgeographic.com/tv/ ➡ ABC app: https://abc.com/ About National Geographic: National Geographic en Español is the leading international destination for critically acclaimed stories in Spanish about science and exploration. Discover more about ancient civilizations, wildlife, hidden worlds, and the wonders of our Earth. Through our incredible scientists, photographers, journalists, and filmmakers, Nat Geo seeks to inspire people of all ages to connect with, explore, and care for our planet. National Geographic: Official Website: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta TikTok: / natgeo Tenor: http://on.natgeo.com/31b3Koc Martians on the Attack?: Secrets of the Flying Saucer | Undercover Stories | Nat Geo in Spanish • ¿Marcianos al Ataque?: Secretos del Disco ...