Historical story

What was not related with the Manhattan project?

The correct answer is: UFO crash research

The Manhattan Project was a top-secret research and development project that produced the first atomic bombs during World War II. It was led by the United States, with the support of the United Kingdom and Canada. The project was named after the location of its headquarters in New York City.

UFO crash research is not related to the Manhattan Project. UFOs, or unidentified flying objects, are not known to have been researched by the Manhattan Project.