Q post #4947 links to a specific Space Shuttle launch – specifically STS-121 which is the only shuttle mission EVER to launch on Independence Day. #4950 supports it with the American flag.
Happy Fourth of July weekend Patriots!
Sauces:
https://www.youtube.com/watch?v=OnoNITE-CLc
https://en.wikipedia.org/wiki/STS-121
https://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts121/main/index.html