World War I saw the first widespread use of initialisms, which is now common in the U.S. forces. R Now the 42nd Infantry Division of the New York National Guard headquartered in Troy, New York.

In April 2017, the Army observed the 100th anniversary of the U.S. military's entry into World War I. It is important to recognize how this conflict helped the United States become a world power.

Prior to its entry into World War I, the U.S. prided itself on not having a significant standing army. Its last meaningful engagements had been the Indian Wars of the late 1800s and the ...

World War I, which would claim 20 million lives by its end, ... Be sure to get the latest news about the U.S. military, as well as critical info about how to join and all the benefits of service.

It was the Big One. The Great War. The War to End All Wars. Here's Military.com's picks for the top 10 books written about World War I.

The exhibit tells the story of U.S. involvement in the Great War through a series of displays about individual soldiers using uniforms, photographs, and artifacts from the Army's collections.

In late March 1918, the German Army began pursuing the spring offensive in France, its most ambitious advance since the First World War began four years earlier. Back in the United States, an ...

U.S. Army Heritage and Education Center art curator Jim McNally discussed the design, objectives, and artists of World War I posters. With goals ranging from recruitment to fundraising to food ...