638th Support Battalion Unit Crest (Ready Day or Night) - Sold in Pairs Skill & Occupation Badges Criteria: The Submarine Warfare Insignia

Criteria: The Submarine Warfare Insignia (also known as "dolphins" or "fish") is a uniform breast insignia worn by enlisted men and officers of the United States Navy to indicate that they are qualified in submarines

To be worn on the left shoulder

1975 - April 30

United States Army 237th Personnel Services Battalion Unit Crest (Support Defend)

Criteria: This is the CSIB (Combat Service Identification Badge) for the 420th Engineer Brigade

638th Support Battalion Unit Crest (Ready Day or Night) - Sold in Pairs Skill & Occupation Badges Criteria: The Submarine Warfare InsigniaUnited States Army 638th Support Battalion Unit Crest (Ready Day or Night) Criteria: These distinctive unit insignia (DUI) are worn by the 638th Support Battalion. Ready Day or Night is their motto. Approved for wear in 2002 and worn by the Indiana Army National Guard (IN ARNG). Unit crests are worn on the Army Class A Uniform (Greens) and Army Service Uniform (ASU). Note: Sold in pairs (i. e., if you order a quantity of 1 you will receive two Unit