Order your chief warrant officer 4 rank from army surplus world. The chief warrant officer 4 rank is sold in pairs. The chief warrant officer rank is NO SHINE - meaning you never have to shine the rank. The chief warrant officer rank 4 is Made in the USA. CW4s are commissioned officers with the requisite authority pursuant to assignment level and position as given by the President of the U.S.. CW4s are senior-level technical and tactical experts who perform the primary duties of technical leader, manager, maintainer, sustainer, integrator and advisor. They also perform any other branch-related duties assigned to them. They provide direction, guidance, resources, assistance, and supervision necessary for subordinates to perform their duties. CW4s have specific responsibility for accomplishing the missions and tasks assigned to them and, if assigned as a commander, the collective or organizational responsibility for how well their command performs its mission. They primarily support battalion, brigade, division, corps, and echelons above corps operations. They must interact with NCOs, other officers, primary staff, and special staff. CW4s primarily provide leader development, mentorship, advice, and counsel to NCOs, other WOs and branch officers. They have special mentorship responsibilities for other WOs and provide essential advice to commanders on WO issues.