The premier of National Geographic Channel’s documentary “Area 51 Declassified,” based on Annie Jacobsen’s book, premiered at the International Spy Museum in Washington D.C. Signing books at this event with Annie Jacobsen were Ed Lovick, T.D. Barnes, Richard Mingus and Ken Collins. It was a full house, filled with plenty of former spies in the audience. Watch the TV premiere of “Area 51 Declassified” this Sunday at 10:00 p.m. on the National Geographic Channel.