e/NASA reentry prototypes

Information
has gloss	eng: NASA reentry prototypes were a series of atmosphere reentry prototypes built by NASA and experimented in a series of top secret projects between the 1940s and 1960s. These prototypes were capable of self propulsion and guided landings. They were deployed by a series of high altitude balloons of the United States Air Force from an altitude of 170,000 feet.
lexicalization	eng: NASA reentry prototypes
instance of	c/Unmanned vehicles