NOSC welcomes new commander Published Sept. 15, 2014 By Airman Malcolm Mayfield 90th Missile WIng Public Affairs F.E. WARREN AIR FORCE BASE, Wyo. -- The Naval Operational Support Center hosted a change-of-command ceremony Sept. 13 in the Fall Hall Community Center. Lt. Cmdr. Chad Tidwell relinquished command to Lt. Ryan Clapper.