November 11, 1935 U.S. Army Air Corps Captains Albert W. Stevens and Orvil A. Anderson, traveling in the high-altitude helium balloon Explorer II, established a record altitude of 72,395 feet (22,066 meters) for manned balloons. This airborne journey took place in the skies above South Dakota. “Successful Flight into Stratosphere,” read the headline for an […]

1935: A New Flight Record is Set in the Skies Above South Dakota — Transportation History