Overview: A Tradition of Honor, A Legacy of Valor! The United States Army, Navy, Air Force and Marine Corps have for more than two centuries proven themselves to be proud and honored defenders of America's freedoms and liberties. Experience the long and proud tradition of the men and women who served our nation's interest and advance the national cause in this dynamic 7-Part Documentary series. With new and impressive historical recreations and museum level attention to detail, this series gives viewers an exclusive look into the legendary stories of both tragedy and triumph that created - A History of Heroes.