Navy Civil Engineer Collar Device Badge Finish:Gold are Chief Warrant Officers that

are Chief Warrant Officers that are technical weapons specialists and are knowledgeable in the tactical employment of all weapons organic to the Marine infantry units

the Marine Corps does not award the Diving Officer insignia to its officers

regardless of previous qualifications

The Senior EOD Badge is issued after 3 to 5 years as an EOD specialist

United States Air Force Air Battle Manager Badge

Navy Civil Engineer Collar Device Badge Finish:Gold are Chief Warrant Officers thatUnited States Navy Civil Engineer Collar Device Criteria: The Civil Engineer Corps (CEC) is a staff corps of the United States Navy. CEC officers are professional engineers and architects, acquisitions specialists and Seabee Combat Warfare Officers. They are responsible for executing and managing the planning, design, acquisition, construction, operation, and maintenance of the Navy's shore facilities. CEC ranks range from CWO2 to RADM.