Ever wondered what happened on the secretive American military base that is said to be where they keep the aliens? The truth may not be exotic – but it is no less cool. Area 51 is actually used for testing new military aircraft technology. Redditor “MillionSuns” recently posted this collection of photos from the base – showing off some of the weird and wonderful stuff that was tested there back in the past. Read on to see all 23 photos.