June 1959
From The Space Library
NASA issued Research Memo (4-17-59L) entitled "Airplane Measurements of Atmospheric Turbulence at Altitudes between 20,000 and 55,000 feet for Four Geographic Areas," analysing data acquired by Lockheed U-2 aircraft over western United States, England and Western Europe, Turkey, and Japan.
Deployment of first USAF operational Thor IRBM squadron to the United Kingdom.
Operating velocity of Mach 6 was achieved in AEDC wind tunnel with a 40- by 40-inch test section at Tullahoma, Tenn.