Area 51 YF-117A. At 6:05 am on 18 June 1981 Lockheed Skunk Works test pilot Hal Farley lifted the nose of YF-117A "79–780"' off the runway of Area 51. Meanwhile, Tactical Air Command (TAC) decided to set up a group-level organization to guide the F-117A to an initial operating capability. That organization became the 4450th Tactical Group (Initially designated "A Unit"), which officially activated on 15 October 1979 at Nellis AFB, Nevada, although the group was physically located at Area 51. The 4450th TG also operated the A-7D Corsair II as a surrogate trainer for the F-117A, and these operations continued until
Indiana State Road 51 SR 51 went from SR 2 in Elkhart to the Michigan state line, now the route is State Road 19. In 1926, SR 51 was removed from that section of roadway and it was signed as US 112. There were plans to build SR 51 from State Road 10 to State Road 2, but that route was never built. Indiana State Road 51 State Road 51 in the U.S. state of Indiana is a north–south route on the state highway system in northwest Indiana. It consists of a route long from a point on U.S. Route 30 (Lincoln Highway) east