SAN ANTONIO, TX (January 3, 2017) - Members of the 2017 U.S. Army All-American Marching Band had their first rehearsal together, where they started with a unified marching style. The band is made up of the nation's top high school senior band and colorguard members that will perform the halftime show at the Alamodome on Saturday, January 7, 2017 (U.S. Army Reserve Photo by Cpl. Timothy Yao/ Released)