Amazon.com: Classroom School Uniforms girls Pleated Bow Jumper Dress, Navy Blue, 4 US: Clothing, Shoes & Jewelry Female U.S. naval recruits are fitted for dress blue jumper tops traditionally known as the Crackerjack uniform at the Recruit Training Command October 27, 2016 in Great Lakes, Illinois. They are the U.S. Korean War Navy Blue Dress Jumper 100% Wool Cracker Jack Uniform Top 40R Sau Lee Henley Henley Midi Dress, White Blue Ombre U.S. Navy Officer Service Dress Blue Coat Works Intrepid Museum Navy Blue Jumper Women's & Kids' Styles Available