Description002 ADA COA.png	2nd Air Defense Artillery Regimental Coat of Arms
Date	24 November 1924
Source	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

Blazon

• Shield: Paly of fifteen Gules and Argent, two Indian arrows saltirewise Or, behind a serpent Vert, lipped and eyed of the third, coiled around and above a prickly pear cactus Proper.
• Crest: On a wreath of the colors Argent and Gules an eagle close Or sitting on and at the intersection of a saltire Azure fimbriated Argent.
• Motto: FIDUS ULTRA FINEM (Faithful Beyond The End).

Symbolism

• Shield:

1. The shield is scarlet for Artillery.
2. The fifteen stripes, representative of the United States national flag of 1814, allude to the battle of Fort McHenry in which a company of the Regiment participated.
3. The snake and cactus commemorate service in the Mexican War.
4. The arrows refer to the Indian Wars.

• Crest: The American Eagle, centered on the saltire from the battle flag of the Confederacy, depicts the defense of Fort Pickens, the only fort south of Fort Monroe which remained loyal to the Federal Government throughout the Civil War.

• Background:

1. The coat of arms was originally approved for the 2nd Coast Artillery Regiment on 1924-11-24.
2. It was redesignated for the 2nd Antiaircraft Artillery Automatic Weapons Battalion on 1951-08-02.
3. It was cancelled on 1959-07-13.
4. The insignia was restored and authorized for the 2nd Air Defense Artillery Regiment on 1971-09-01.
5. It was amended to cite the correct organizational element in the symbolism on 1983-11-01.