Contributor biographical information for If not now, when? : duty and sacrifice in America's time of need / Jack Jacobs and Douglas Century.

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Jack Jacobs retired from the military as a full colonel in 1987. Today, he is widely regarded as one of the world’s most perceptive—and outspoken—military analysts.

Douglas Century is a New York Times bestselling author

Library of Congress subject headings for this publication:
United States. -- Army -- Officers -- Biography.
Medal of Honor -- Biography.
Vietnam War, 1961-1975 -- Personal narratives, American.