A chief petty officer has become the first woman to earn the Navy's "silver dolphins," signaling an enlisted sailor qualified to serve aboard a submarine. Chief culinary specialist Dominique Saavedra will deploy aboard the nuclear-powered guided-missile submarine Michigan in coming months, the first sub to deploy with a crew including enlisted female sailors. According to an announcement from Submarine Group 9, out of Puget Sound, Washington, Saavedra received her pin at a ceremony Tuesday, marking a major milestone for female sailors.