Arlington National Cemetery, a revered monument to the nation's military history, is indeed maintained by the United States Army. This cemetery is one of the 30 Army cemeteries across the United States, each with its own unique history and significance. As the final resting place for over 400,000 service members, Arlington National Cemetery spans 639 acres and is a testament to the sacrifices made by American soldiers and their families throughout the nation's history. It is a place of honor, remembrance, and education, drawing millions of visitors each year to reflect on the profound impact of the military service and sacrifice.