Larson was among the nearly 160,000 Allied troops who stormed the Normandy shore on June 6, 1944, surviving machine-gun fire when he landed on Omaha Beach.
More than 6,000 troops are poised to march near the National Mall to honor the Army’s 250th anniversary on Saturday, which happens to be Trump's birthday.
The Friday night discussion on veterans issues is part of a series of events from Democrats scheduled around the controversial Army parade in Washington.
Decades after Staff Sgt. William Owens' heroic actions at La Fiere Bridge, his Bronze Star was posthumously upgraded thanks to the efforts of a veteran.