1921 to 2021 wonder 100 years. Proudly supports! Uso. This summer, enjoy a freshly grilled hamburger or hot dog on our extra soft, wonder classic buns and say thanks to our U.S. Service members. We are proud to support our nation's heroes through our deploy the joy campaign. Wonder has pledged to donate up to $1,800,000 to the uso by 2022. The uso strengthens America's military service members by keeping them connected to family, home and country, throughout their service to the nation. (hashtag)Spreadthe Wonder and show your support of our nation's service members!