At sea, he served as Auxiliaries Officer onboard USS CHOSIN (CG 65), Navigator onboard USS REUBEN JAMES (FFG 57), homeported in Pearl Harbor, HI, Chief Engineer onboard USS BARRY (DDG 52) in Norfolk, VA, and as Flag Secretary to Commander, Carrier Strike Group NINE embarked onboard USS RONALD REAGAN (CVN 76) in San Diego, CA.
Ashore, Commander Ralston served as an Instructor of Seamanship and Navigation at the U.S. Naval Academy, Annapolis, MD, as an Engineering Assessor at Engineering Assessments Pacific, San Diego, CA, and most recently as a Ballistic Missile Defense planner on the staff of Commander, U.S. Naval Forces Europe/Africa, Commander, U.S. SIXTH Fleet and Chief Staff Officer, Commander, Task Force SIX FOUR, Naples, Italy. He holds a Master’s Degree in National Security and Strategic Studies from the U.S. Naval War College and a Law Degree from University of Seville.
His personal awards include the Meritorious Service Medal (two awards), Navy Commendation Medal (three awards) and Navy Achievement Medal (three awards).