Please see the most recent updates in the "Where did the .com name go?" thread. Posts number 16 and 17.
The Germans were experimenting with a gravity engine that used red Mercury and electric flow to create 'massive' lift, or directional gravity force. The first engine was mounted in a giant steel cage on a mountain in Germany over a secret manufacturing fascility in the forest. The 'Bell' supposedly did well, or at least worked. They have supposedly found several photos of flying manned versions of later saucers, 3 versions supposedly created; mark 1 thru 3.
Conspiracy people say that the Germans sent one of these, a giant thing, with half Japanese passengers (then Allies to Germany) and it went to Mars.
Modern day notes; working with gravity engines, including gravity amplifiers, which supposedly, according to an engineer that released data on the programs at Area 51 on captured discs (alien), were that gravity also effects light and time, so the craft can bend light around them when actuating that much focused gravity to lift up say 10,000 lbs. Also, it can change time 'flow' in the craft, so those are things that they are dealing with in experimenting on how the craft fly over at the real Area 51 and such locations.
Pretty cool stuff.
Sometimes reality is stranger then fiction... :S

It always sounds crazy till you see it happen in front of you. :S