If Not Now, When?: Duty and Sacrifice in America's Time of Need

A Medal of Honor recipient looks back at his own service in the Vietnam War—and ahead to America’s future.

Jack Jacobs was acting as an advisor to the South Vietnamese when he and his men came under devastating attack. Wounded, 1st Lt. Jacobs took command and withdrew the unit, returning again and again, saving fourteen lives—for which he received the Medal of Honor.

Here, Col. Jacobs tells his stirring story of heroism, honor, and the personal code by which he has lived his life, and expo...