In 1947, a UFO (unidentified flying object) is alleged to have crashed in Roswell, New Mexico. This event became known as the Roswell Incident. After several days, the wreckage of the UFO was reportedly found and the remains were taken to Roswell Army Air Field. The military initially announced that it was a UFO, but a short time later, an official statement was released claiming that it was a weather balloon.
In 1969, a new official statement was released that confirmed that it was in fact Project Mogul, a secret US military program that was designed to track the atmosphere for the purpose of detecting possible Soviet nuclear explosions. However, some people believe that this statement was simply an attempt to cover up the truth and that the military actually withheld the wreckage of the UFO and is hiding something that could be evidence of the existence of extraterrestrial life.
In 1994, the secret documents that were released in connection with the Roswell Incident were found to be significantly incomplete, and many people believe that there are still many undisclosed facts that the military is hiding. This incident remains one of the greatest mysteries of the 20th century and continues to generate interest and discussion among people around the world.