What did the troop hold next to US Flag on WWII Victory Parady in Russia?

[Stevenpham]

There are one more flag and one more "thing" which were held along with US Flag. Please look at the attached picture. (Alexander Nemenov / AFP/Getty Images) Thanks

[NAVA1974]

There are one more flag and one more "thing" which were held along with US Flag.

The flag in the middle is the U.S. Army Flag:
Army (U.S.)
It is decorated with dozens of streamers representing major actions the Army has fought.

The flag on the right as we see it is likely a unit color.

Nick