GASCONADE COUNTY, Mo. -

Saturday night, a U.S. Marine proposed to his high school sweetheart at the Gasconade County Fair.

According to our partner Quick News Now, Dan used the Hunter Hayes' concert as his backdrop for proposing to his high school sweetheart, Tanya.

Dan served four years in the U.S. Marines and was stationed in Iraq and Kuwait. The couple dated in high school, then separated after graduating in 1994. Eighteen years later, they reconnected.

Watch the full video below.