Beyond Walks on MSN

How the US Army learned to fight in World War II

In early 1943, the U.S. Army suffered a humiliating defeat in North Africa and was written off as unready for modern war.
Rough Maps on MSN

The strange sky trumpet phenomenon scientists still can't solve

Around the world, people continue to report a baffling acoustic mystery: sudden, thunderous booms or eerie horn-like sounds ...