The sister of Medal of Honor recipient Master Sgt. John Chapman, an elite combat controller who died on a mountainside during the Battle of Takur Ghar in Afghanistan, is angered by the way the new National Medal of Honor Museum is handling her brother's story.

The National Medal of Honor Museum is set to open Tuesday in Arlington, just west of Dallas. It highlights the lives and service of Medal of Honor recipients from the Civil War to the global war on terrorism. Over 3,500 people have received the Medal of Honor, which is awarded by Congress for risking one’s life in combat beyond the call of duty.

The National Medal of Honor Museum in Arlington spans 100,000-square-feet in the city's entertainment district. The museum houses the name of each Medal of Honor recipient. The museum opens to the public on Tuesday,