Fort Sam Houston Army Soldiers fire cannons during a Salute to the Nation ceremony, at the Joint Base San Antonio Main Flag Pole at MacArthur Parade Field at JBSA-Fort Sam Houston, Texas, July 4, 2021. The Soldiers fired 50 rounds as a salute to each of the 50 United States. (U.S. Army photo by Spc. DeAndre Pierce)

Fort Sam Houston Army Soldiers fire cannons during a Salute to the Nation ceremony, at the Joint Base San Antonio Main Flag Pole at MacArthur Parade Field at JBSA-Fort Sam Houston, Texas, July 4, 2021. The Soldiers fired 50 rounds as a salute to each of the 50 United States. (U.S. Army photo by Spc. DeAndre Pierce)

U.S. Army Pfc. Kadrian Rolston, assigned to Brooke Army Medical Center, fires a cannon during a Salute to the Nation ceremony, at the Joint Base San Antonio Main Flag Pole at MacArthur Parade Field at JBSA-Fort Sam Houston, Texas, July 4, 2021. During the ceremony, 50 rounds were fired to salute each of the 50 states of the United States. (U.S. Army photo by Spc. DeAndre Pierce)