DVIDS - News - Guard celebrates 200th Anniversary of national anthem, Citizen Soldier author
Army - National Guard (U.S.)
File:A man carrying an American flag follows a U.S. Soldier during the Maryland Army National Guard's March Against Hunger in La Plata, Md., March 16, 2013 130316-A-JM202-062.jpg - Wikimedia Commons
Patriot Day and the US Flag
Command sgt maj hi-res stock photography and images - Alamy
8,488 American flag Images: NARA & DVIDS Public Domain Archive Public Domain Search
Maryland national guard hi-res stock photography and images - Alamy
1,716 Maryland Flag Stock Photos, High-Res Pictures, and Images - Getty Images