Generate a correct and concise answer for the question based on the words in the context.

Context : Used by the U.S. Army, the U.S. Marine Corps, as well as many foreign militaries, the M47 Dragon was first fielded in January 1975 to U.S. Army soldiers stationed in mainland Europe. 
Question : What year did M47 Dragon come into use?
1975

Context : ``The Trade-Ins'' is episode 96 of the American television anthology series The Twilight Zone. 
Question : What is the series that The Trade-Ins is a part of?
The Twilight Zone

Context : Wilhelm Walther (27 January 1910 -- 25 November 2010) was a highly decorated Oberstleutnant in the Wehrmacht during World War II. He was also a recipient of the Knight's Cross of the Iron Cross, the first of the Brandenburgers to receive one. 
Question : Which award did Wilhelm Walther get?

Knight's Cross of the Iron Cross