http://www.liveleak.com/view?i=0bc_1428285879
Video: Close Up Footage of Stealth Bomber Refuelling 

Utah Air National Guard members from the 191st Air Refueling Squadron execute an air refueling mission from a KC-135 Stratotanker on Feb. 18, 2015. A B-2 Spirit from the 509th Bomb Wing at Whiteman AFB, Missouri participated during this training mission. UNCLASSIFIED

Video Credit: SSgt Erin Mills

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Longer videos:
https://www.youtube.com/watch?v=gX_FO1NAKeE
https://www.youtube.com/watch?v=d-2_u5f2Eaw (turn volume down)

https://www.youtube.com/watch?v=L2bihncjy0U (full history & information)  (statistics at around 20 minutes)

http://www.liveleak.com/view?i=43d_1414612287