AMSUS suggests the following uniform guidance/dress code for attendees:

• Army: Class B Army Service Uniform (ASU) for all active duty attendees; Class A ASU with jacket for presenters.
• Navy: Khaki uniforms for active duty attendees; Service Dress Blues for presenters.
• Air Force: Any combination of blues for active duty attendees; Service Dress Blues for all presenters.
• US Public Health Service: Khaki uniforms for active duty attendees; Service Dress Blues for presenters.
• Civil Service/Contractors: Business Casual for attendees; Business attire for presenters.