In this photo taken on Thursday, Nov. 7, 2019, Marcel Schmetz serves coffee from the kitchen of his house at the Remember Museum 39-45 in Thimister-Clermont, Belgium. (Virginia Mayo/AP)In this photo taken on Thursday, Nov. 7, 2019, Marcel Schmetz shows the motor of a crashed World War II Marauder B-26 at the Remember Museum 39-45 in Thimister-Clermont, Belgium. (Virginia Mayo/AP)In this photo taken on Tuesday, Dec. 10, 2019, U.S. Battle of the Bulge veteran Arthur Jacobson second right, speaks during a lunch in the dining room of the Remember Museum 39-45 in Thimister-Clermont, Belgium. (Virginia Mayo/AP)In this photo taken on Tuesday, Dec. 10, 2019, U.S. Battle of the Bulge veteran Arthur Jacobson, left, and his family have a lunch in the dining room of Remember Museum 39-45 directors Marcel and Mathilde Schmetz in Thimister-Clermont, Belgium.(Virginia Mayo/AP)In this photo taken on Tuesday, Dec. 10, 2019, Mathilde Schmetz takes U.S. Battle of the Bulge veteran Arthur Jacobson, left, through the Remember Museum 39-45 in Thimister-Clermont, Belgium. (Virginia Mayo/AP)In this photo taken on Thursday, Nov. 7, 2019, a collection of World War II planes hang from the ceiling at the Remember Museum 39-45 in Thimister-Clermont, Belgium. (Virginia Mayo/AP)In this photo taken on Thursday, Nov. 7, 2019, A U.S. Army World War II Sherman tank sits on the hillside outside the Remember Museum 39-45 in Thimister-Clermont, Belgium. (Virginia Mayo/AP)In this photo taken on Thursday, Nov. 7, 2019, a World War II model plane with navigation maps and a photograph are displayed at the Remember Museum 39-45 in Thimister-Clermont, Belgium. (Virginia Mayo/AP)In this photo taken on Tuesday, Dec. 10, 2019, a photo of a young Marcel Schmetz is displayed on an old parachute at the Remember Museum 39-45 in Thimister-Clermont, Belgium. (Virginia Mayo/AP)