What are the rules for the Modified Service Dress Blue (MSDB) Sweater?
In most instances, the rules for the MSDB Sweater are pretty cut and dry. An officer may elect to remove the Service Dress Blue Jacket in his/her immediate office space or vicinity. Vicinity is usually defined as same floor or area that the office is in. This does not include going upstairs to visit another office, or going downstairs to the galley. Also, one cannot go outside with no jacket and wearing the combination cover (or no cover, as the case may be). The MSDB Jacket or Sweater may be worn pretty much anywhere, including outdoors. This is not appropriate for wear to high level meetings, ceremonies, or any other situations which would normally call for the complete Service Dress Blue uniform. Nametags, ribbons, or other accoutrements/metal insignia are not worn on the Dress Shirt. Shoulder marks (soft shoulder boards) are required at all times. Male officers may elect to wear a tie bar/tack with appropriate insignia (Corps device or miniature rank insignia) or cufflinks (plain g