The very first group of Guardians on Tuesday unveiled the U.S. Space Force’s (USSF) first prototype service dress uniform, which features a dark navy color, an upturned collar, and a diagonal row of six buttons. During a speech at the Air Force Association’s Air, Space & Cyber Conference in National Harbor, Maryland, Chief of Space Operations Gen. John W. “Jay” Raymond called two Guardians onto the stage to showcase the prototype. He noted that the service is open to “comments and tweaks” in the coming months before the uniform goes into wear testing. The coat’s six silver buttons, according to Raymond, are meant to represent the fact that the USSF is the sixth branch of the U.S. Armed Services. Photos released by the official USSF Twitter account reveal more details, including the service’s delta emblem on the buttons and mirror-finished “U.S.” pins on the collar. Raymond also revealed the USSF’s …