Read the following premise and answer if the hypothesis is true.
James Forbes Chapin ( ) (July 23, 1919 – July 4, 2009) was an American jazz drummer and the author of popular texts on jazz drumming, the first two volumes of which are "Advanced Techniques for the Modern Drummer, Vol. I," and "Advanced Techniques for the Modern Drummer, Vol. II." (A third volume is planned.)
Hypothesis: James Forbes Chapin served in World War II. . Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
It's impossible to say
It's impossible to say. There is no information provided in the premise about James Forbes Chapin's military service history.