A security detail, often known as a PSD (protective services detail, personal security detachment, personal security detail) or PPD (personal protection detail), is a protective team assigned to protect the personal security of an individual or group. PSDs can consist of multiple federal and state government organisations, military personnel, law enforcement agents and/or private security contractors or private military contractors.
U.S. Marine Corps
In the U.S. Marine Corps, an individual's security team is called a "personal security detachment" and is assigned to the Personal Security Company.[1][2]