50 Years Ago: On The Way to the Moon – NASA https://www.nasa.gov/history/50-years-ago-on-the-way-to-the-moon-1/
The Lunar Landing Training Vehicle #1 (LLTV-1) made its first flight on October 3, 1968, at Ellington Air Force Base near the Manned Spacecraft Center (MSC),
vehicle’s aerodynamic characteristics, NASA engineers tested LLTV-3 in the wind tunnel