3rd Battalion, 21st Infantry Award

According to

Dept of the Army Pamphlet 672-3
Unit Citation and Campaign Register

The 3/21 was awarded the
Navy Unit Commendation
for service from 1 May through 16 May 1968

If you served in the 3/21 during that time,
you can request the award through the Navy

This information was submitted by Roger W. Starr