Omaha, Neb. - Vice Adm. Timothy M. Giardina, the deputy commander of U.S. Strategic Command at Offutt Air Force Base, Neb., converses with a veteran Nov. 11, 2012 at Omaha's Memorial Park. Veterans Day is an official federal holiday which honors people who have served in armed forces. It coincides with other holidays observed around the world, such as Armistice Day and Remembrance Day, and also marks the anniversary of the end of World War I.