YouTube HD: X-47B UCAV First Flight Posted on February 7, 2011 by alert5 Related posts (Automatically Generated): YouTube: A-12 First Flight YouTube: U-2 First Flight YouTube: B-2 Spirit 20th Anniversary of First Flight YouTube: British Harriers’ final flight YouTube: VMA-311 flight deck ops on board USS Essex during CG2010 Taranis UCAV unveiled