Warrant officers are highly skilled, single-track specialty officers, and while the ranks are authorized by Congress, each branch of the uniformed services selects, manages, and utilizes warrant officers in slightly different ways. For appointment to warrant officer one (W-1), a warrant is approved by the secretary of the respective service. For chief warrant officer ranks (W-2 to W-5), warrant officers are commissioned by the President of the United States and take the same oath as regular commissioned officers (O-1 to O-10). Warrant officers can and do command detachments, units, activities, vessels, aircraft, and armored vehicles; as well as lead, coach, train, and counsel subordinates. However, the warrant officer's primary task as a leader is to serve as a technical expert, providing valuable skills, guidance, and expertise to commanders and organizations in their particular field.
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