Generate a correct and concise answer for the question based on the words in the context.
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Question: Context : John S. Lanning (August 29, 1843 -- April 13, 1907) was a Union Navy sailor and a Medal of Honor recipient for his actions in the American Civil War.
Question : What war was John S. Lanning in?

Answer: American Civil War

Question: 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?

Answer: 1975

Question: Context : Solomon Meredith (May 29, 1810 -- October 2, 1875) was a prominent Indiana farmer, politician, and lawman who was a controversial Union Army general in the American Civil War.
Question : What army did Solomon Meredith serve in?

Answer:
Union Army