National Aeronautics and Space Administration
Unconventional, Contrary, and Ugly: The Lunar Landing Research Vehicle (The NASA History Series)
When the United States began considering a piloted voyage to the moon, an enormous number of unknowns about strategies, techniques, and equipment existed. Some people began wondering how a landing maneuver might be performed on the lunar surface. From the beginning of the age of flight, landing has ...
$23.99
