Construction Survey: UFO Hunters - Area 51 Revealed 3/5

Part 4: www.youtube.com History Channel S02E13 AREA 51 REVEALED The world's most infamous secret base is growing... On October 26th, 1994, the US government made their first official acknowledgement of Area 51. Six months later, nearly 4000 acres of previously public land surrounding the base were closed. Now, over a decade later, satellite photos reveal new buildings, towers, and runways finishing construction. Secret flights with blacked-out windows bring passengers from Las Vegas. And security surrounding the perimeter of the base is tighter than ever. The team heads to the epicenter of UFO and military conspiracy theories to visit new vantage points, speak with former base employees, and search the skies above America's most top-secret facility.