Ivy leaves symbolize tenacity and fidelity which is the basis of the division's motto: 'Steadfast and Loyal'. The 4th Infantry Division's official nickname, 'Ivy', is a play on words of the Roman numeral IV or 4. It is composed of a division headquarters battalion, three brigade combat teams (two Stryker and one armor), a combat aviation brigade, a division sustainment brigade, and a division artillery. The 4th Infantry Division is a division of the United States Army based at Fort Carson, Colorado.