15th Support Battalion Unit Crest (No Motto) - Sold in Pairs SBBA~Double~11090DBR The color black alludes to

The color black alludes to covert actions taken under cover of darkness

These distinctive unit insignia

It is in charge of space operations

they obtain technical/engineering masters degrees

and the AG 415 shirt

15th Support Battalion Unit Crest (No Motto) - Sold in Pairs SBBA~Double~11090DBR The color black alludes toUnited States Army 15th Support Battalion Unit Crest Criteria: This is the unit crest (Distinctive Unit Insignia) for the 15th Support Battalion. The blue bonnet represents the state of Texas, which is where the unit was first organized. Unit crests are worn on the epaulets of the Army Class A Uniform jacket. Note: Sold in pairs (i. e., if you order a quantity of 1 you will receive two Unit Crests).