In the United States Armed Forces, the ranks of warrant officer are rated as officers above all non-commissioned officers, candidates, cadets, and midshipmen, but subordinate to the lowest officer grade of O‑1. This application differs from the Commonwealth of Nations and other militaries, where warrant officers are the most senior of the other ranks, equivalent to the U.S. Armed Forces grades of E‑8 and E‑9.
CWO3 Pollock reviews his crewmates at Coast Guard Station Eatons Neck during his change-of-command ceremony
Warrant Officer Career College Shoulder Sleeve Insignia
Director CWO4 Robert Szabo of East Coast Marine Corps Composite Band speaks with his musicians during rehearsals
CWO2 Leighton DaCosta performs pre-flight setup on a P-3 Orion during the platform phase of the Chief Warrant Officer Flight Training Program, circa 2009
Mine Planter Service
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The U.S. Army Mine Planter Service (AMPS) was an outgrowth of civilian crewed Army mine planter ships dating back to 1904. It was established on July 22, 1918 by War Department Bulletin 43 and placed the Mine Planter Service under the U.S. Army Coast Artillery Corps. Its purview was to install and maintain the underwater minefields that were part of the principal armament of U.S. coastal fortifications, including those at the approaches to the Panama Canal and the defenses of Manila Bay in the Philippines.
USAMP MP-7 Major General Wallace F. Randolph, Army M 1 Mine Planter Hull No. 480. Records (#742), Special Collections Department, J. Y. Joyner Library, East Carolina University, Greenville, North Carolina, USA.
USAMP Major Samuel Ringgold, built in 1904. (National Archives and Records Administration)