03-12-2012, 05:58 PM
Without having seen it, my gut feeling would be a NASA plane...
Although why they'd be flying an F4, I don't know... but I'm going to guess they have one in their stable of test aircraft (god knows they have one of almost everything else... or HAVE had.. some may have been long since disposed of).
Although why they'd be flying an F4, I don't know... but I'm going to guess they have one in their stable of test aircraft (god knows they have one of almost everything else... or HAVE had.. some may have been long since disposed of).