The are many videos on youtube of previous Victor taxi runs. On all of these that I have seen, the ram air inlets on the upper fuselage in front of the fin are extended. However, on the run when the aircraft got airborne the inlets are retracted. Is there any significance in this?
This video shows the ram air inlets;
http://www.youtube.com/watch?v=ONj4DPYhkcA&feature=related
Dave