On Monday we begin a six part Memorial Day week-long tribute to those who gave their lives to protect and defend the freedoms we enjoy. The series is entitled: “The Old Guard, a day in the life.” The mission of “The Old Guard” (The 3d U.S. Infantry Regiment is to conduct memorial affairs to honor their fallen comrades, and ceremonies and special events and to represent the U.S. Army by communicating its story to our Nation's citizens and the world. "The Old Guard," is the oldest active-duty infantry unit in the Army, serving our nation since 1784.