Which color on the U.S. flag symbolizes hardiness and valor?

The color red on the U.S. flag symbolizes hardiness and valor, which reflects the courage and resilience shown by those who have fought to protect the nation. The red in the flag serves as a reminder of the sacrifices made by servicemen and women, as well as the strength and determination required to defend freedom and democracy. This association between red and bravery is a key aspect of American symbolism, representing the commitment to overcome adversity and the spirit of perseverance.