20th CBRNE Command Unit Crest (Libertatem Defendimus) - Sold in Pairs O-3 Lieutenant Officer personnel authorized to wear

Officer personnel authorized to wear a fourragere on the blue coat must attach a 20-ligne button to the left shoulder seam

The Air Force does not utilize numerals on the AM

United States Army 27th Engineer Battalion Unit Crest (Omnes Res Bene Facere)

United States Coast Guard Miniature Auxiliary Coxswain Insignia

Approved for wear in 1948

20th CBRNE Command Unit Crest (Libertatem Defendimus) - Sold in Pairs O-3 Lieutenant Officer personnel authorized to wearUnited States Army 20th CBRNE Command Unit Crest (Libertatem Defendimus) Criteria: These distinctive unit insignia (DUI) are worn by the 20th CBRNE Command (Chemical, Biological, Radiological, Nuclear, and high yield Explosives). Previously approved for the 20th Support Command in 2005 an redesignated in 2013. Libertatem Defendimus is their motto. Worn on the Army Class A Uniform (Greens) and Army Service Uniform (ASU). Note: Sold in pairs (i. e., if