An armorial ensign along with its history and description.
The profession or art of devising, granting and blazoning coats of arms, tracing genealogies and ruling on questions of protocol or rank.
Pageantry.
A commissioned officer of the United States Navy whose rank is above an ensign's and below a lieutenant, or a corresponding rank in other navies.
A commissioned officer in the United States Coast Guard, Public Health Service, or National Atmospheric and Oceanic Administration whose rank is above an ensign and below a lieutenant.