Lt. Col. Brian Lukowski, Director, Space Forces, Continental Aerospace Defense Region-1st Air Force (Air Forces Northern), issues the reenlistment oath to Master Sgt. Jamie Jo Walker, U.S. Air Force Space Command training manager, in front of the 9-11 Memorial at the 601st Air Operations Center, Tyndall Air Force Base, Fla. Walker is deployed from Air Force Space Command Headquarters, Peterson Air Force Base, Colo., to help support contingency operations for Hurricanes Harvey and Irma. (Photo by Mary McHale)