United States Navy Limited Duty Officer Collar Device
Criteria: A Limited Duty Officer (LDO) is an officer in the United States Navy or United States Marine Corps who was selected for commissioning based on his/her skill and expertise, and is not required to have a bachelor's degree. They are employed in situations where it is desirable to have an officer with strong, specific technical knowledge and seasoned leadership. Per Title 10, US Code, an LDO is a permanent commissioned officer appointed under section 5589 in a permanent grade above chief warrant officer, W-5, and designated for limited duty.
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