Retrorocket

A retrorocket was a piece of advanced propulsion technology aboard NASA's Ranger 5 space probe when it was launched in the mid-20th century.
A schematic of the Ranger 5 spacecraft depicting the location of the retrorocket was stored in the 's library computer database. This database was accessed by the Talosians in 2254. ()
== External link ==
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Category:Propulsion technology (retconned)