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

Example input: Context : Isaac Nicola Romero (1916 in Havana, Cuba -- 1997) was a prominent Cuban guitarist and one of the founders of the modern Cuban Guitar School. 
Question : What was Isaac Nicola's city of birth?
Example output: Havana
Example explanation: According to context Issac Nicola's city of birth is Havana. Hence this is a correct output.
Q: Context : Christian Osepins (born 1858, date of death unknown) was a United States Navy sailor and a recipient of the United States military's highest decoration, the Medal of Honor. 
Question : What military was Christian Osepins a part of?
A:
United States Navy