As more than 1 million people have RSVPd to the satirical buzzy Facebook event to “raid” Area 51 and “see them aliens,” those who have tried to visit the secretive military base that’s long intrigued conspiracy theorists say participants in the event aren’t likely to see anything at all. While some Area 51 visitors do believe that the site, near Rachel, Nevada, is home to a secret government cache of alien technology (or aliens themselves), the government says it’s an Air Force testing ground.