"In the United States, Flag Day is celebrated on June 14. It commemorates the adoption of the flag of the United States, which happened on June 14, 1777, by resolution of the Second Continental Congress. The United States Army also celebrates the U.S. Army Birthdays on this date; Congress adopted "the American continental army" after reaching a consensus position in the Committee of the Whole on June 14, 1775." From Wikipedia
So happy 241st birthday to the most successful color scheme in history and 243rd to the US Army. This photo is from Fort Bowie in Arizona where the US Army served the area for many years in harsh conditions.
Thanks to Army personnel like Tom Light, Lt. Col, Ret., & my multi great grandfather who served under that flag with only thirteen stars in that first Army, Pvt. Peter Hileman.