It's Flag Day

Flag Day is celebrated on June 14 each year and commemorates the adoption of the flag of the United States on June 14, 1777, by the Second Continental Congress. NASA flies the U.S. flag on its missions throughout our solar system. In this iconic image from the Apollo 11 lunar landing, Commander Neil Armstrong snapped this picture of Buzz Aldrin saluting the flag at Tranquility Base. Image Credit: NASA