Builder (United States Navy)

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Rating Badge BU.jpg
Rating insignia
Issued by: United States Navy
Type Enlisted rating
Abbreviation BU
Specialty Construction

Builder (abbreviated as BU) is a United States Navy occupational rating. A builder is responsible for the construction and repair of wood, concrete, and masonry structures. Their work can involve sheet rock, ceramic tile, or painting, while senior personnel deal with material estimates and labor projections. Builders also conduct the Navy’s combat and disaster preparedness operations.[1]

The builder’s rating badge shows two traditional tools for construction – the carpenter’s square and the plumb-bob.

At the master chief petty officer level, builder merges with the engineering aide and steelworker ratings. At this level, they are referred to as a master chief constructionman.


  1. “Navy enlisted manpower and personnel classifications”. Bureau of Naval Personnel. US Navy. Retrieved 2007-01-11.

See also