Cmdr. Riewerts joined the U.S. Naval War College in 2021 as a member of the Joint Military Operations Department and fills the role as a submarine warfare specialist. He has served in the submarine force for the past 26 years. His previous assignments include 10 years as an enlisted nuclear Machinist Mate and tours on five submarines in the U.S. Navy. He has a bachelor’s degree from Rensselaer Polytechnic Institute in nuclear engineering and a master’s degree from the U.S. Naval War College.