NASA TV UFOs:
Camera On Board the Space Shuttle Films Several UFOs

Here we have another remarkable NASA TV video:

http://www.youtube.com/watch?v=_s4jY9mpUiA

What are the five, seemingly large, white objects, which are shown in this video? We can see that the NASA camera zooms in on the unknown objects! In another video segment one can see that the camera operator follows an object, which seemingly flies close to the cloud layer.