The 2nd Battalion, 4th Field Artillery Regiment, "Deep Attack," is a key element of the United States Army's Field Artillery Branch. Its mission is to train for full spectrum operations and deploy to support maneuver forces. The regiment has a rich history, having been organized on June 25, 1907, and participating in significant conflicts such as the Indian Wars, Mexican-American War, American Civil War, Spanish-American War, and Philippine Insurrection. The regiment's distinctive unit insignia, derived from its actions in the Philippines, features the Aztec sun and kampilan, symbolizing the regiment's service in the Punitive Expeditions in Mexico. The motto "Nulli Vestigia Restoresum" reflects the regiment's commitment to pushing forward in battle.