Uniform Policy If you could bring back one discontinued U.S. Navy uniform, which would you choose? The Aviation Working Green, the Winter Working Blue 'Johnny Cash', the Service Dress Blue (Yankee), or the Officers' The winter dress uniform worn by our Navy during ceremony while deployed to the Far East (Japan, China and Korea), Europe and North America : r malaysia Something changed for this year's winter uniform shift. All Sailors in Navy Region Southwest will shift to winter uniforms Oct. 1 including San Diego. Below is an excerpt from Navy Region Southwest ( U.S. Naval Academy Uniforms: What Each Means