90 MSOS welcomes new commander Published June 8, 2020 By Glenn S. Robertson 90th Missile Wing Public Affairs F.E. WARREN AIR FORCE BASE, Wyo. -- Captain John Clements took command of the 90th Missile Security Operations Squadron during a change of command ceremony June 8, 2020 on F. E. Warren Air Force Base, Wyoming. Prior to his current position, Clements was the Operations Officer for the 55th Security Forces Squadron at Offutt Air Force Base, Nebraska. Major Timothy Marriner, outgoing 90th MSOS commander, will take command of the 50th Security Forces Squadron at Schriever Air Force Base, Colorado. A change of command ceremony is a tradition that represents a formal transfer of authority and responsibility from the outgoing commander to the incoming commander. Chance expressed his excitement to join the squadron in his first command opportunity with words directed at his Airmen. "You are the elite, you are the strike force, you're the cavalry and the support, you are the future," said Clements. "You are the tooth and the tail and I am ready to join you and get after it. Let's go."