Description16 Eng Bn DUI.png	16th Engineer Battalion Distinctive Unit Insignia
Date	25 April 1962
Source	United States Army Institute of Heraldry
Author	US Army
Permission (Reusing this file)	Public domainPublic domainfalsefalse This image shows a flag, a coat of arms, a seal or some other official insignia produced by the United States Army Institute of Heraldry. It is in the public domain but its use is restricted by Title 18, United States Code, Section 704 [1] and the Code of Federal Regulations (32 CFR, Part 507) [2], [3]. Permission to use these images in the USA for most commercial purposes must be obtained from The Institute of Heraldry prior to their use. Deutsch ∙ English ∙ فارسی ∙ 日本語 ∙ русский ∙ +/− - US Army Institute Of Heraldry

Distinctive Unit Insignia.

Shield

• Description: A silver color metal and enamel device 1 1/8 (2.86cm) in height overall consisting of a shield blazoned: Per chevron reversed Argent and Gules, on a bar in base Sable fimbriated of the first a cat-a-mountain salient guardant of the third, armed, langued, collared and lined of the second, in sinister chief a mullet voided and fretted Vert. Attached below the shield a silver scroll inscribed "SEMPER ULTIMO" in red letters.

• Symbolism:

1. Red and white are the colors used for the Corps of Engineers.
2. The bar symbolizes a treadway bridge, the construction of which was a major combat mission of the organization.
3. The cat-a-mountain, a European wildcat, indicates the stealth and swiftness required in combat engineer operations, and the soldiers of the battalion are known as "Catamounts."
4. The black cat also connotes the darkness in which operations are conducted.
5. The star from the flag of French Morocco represents service in that area during World War II.
6. The inverted chevron symbolizes the battalion's spearheading of armored engineer activity in World War II.

• Background:

1. The Distinctive Unit Insignia was originally approved for the 16th Armored Engineer Battalion on 1962-04-25.
2. It was redesignated for the 16th Engineer Battalion on 1957-09-12.
3. On 1984-12-05 the insignia was amended to correct the symbolism.
4. On 1994-10-21 it was revised to change the description and the symbolism.