504th Signal Battalion Unit Crest (Think, Go, Do) - Sold in Pairs subdued finish a service member must have

a service member must have completed initial sonar technology training followed by 18-24 months of field experience in naval undersea surveillance

For the Reserve and Guard personnel who satisfactorily accomplish annual training and drill duty

The dragon commemorates the unit's service in the Vietnam War

United States Army 91st Military Police Battalion Unit Crest (Honor Above All)

The main design is a profile portrait of a Native American wearing a traditional headdress

504th Signal Battalion Unit Crest (Think, Go, Do) - Sold in Pairs subdued finish a service member must haveUnited States Army 504th Signal Battalion Unit Crest (Think, Go, Do) Criteria: These distinctive unit insignia (DUI) are worn by the 504th Signal Battalion. Approved for wear in 1962 with their motto Think, Go, Do inscribed on each crest. Headquartered at Ft. Huachuca, AZ. Unit crests are worn on the Army Service Uniform (ASU) and Army Class A Uniform (Greens). Note: Sold in pairs (i. e., if you order a quantity of 1 you will receive two Unit Crests).