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
Texas State Highway 51 Texas State Highway 51 Texas State Highway 51 (SH 51) is a short state highway located entirely in Hansford County, Texas, just south of Spearman. SH 51 begins at SH 207 southeast of Spearman and travels east through unincorporated Hansford County approximately . It is a two-lane route for its entire length, and has no intersections with other state-maintained routes until its terminus at FM 281, which continues to the east and south, and FM 760, which travels north to Spearman. The original SH 51 was designated on August 21, 1923 as a route from Sagerton to Crowell, replacing a