Save the date: Retiree appreciation day Published Nov. 9, 2009 By Master Sgt. Dale Yates 90th Missile Wing Public Affairs F.E. WARREN AIR FORCE BASE, Wyo. -- A retiree appreciation day event takes place Nov. 21 in the Warren Medical Clinic from 9 a.m. to 1 p.m. The event includes speakers from TriWest and Delta Dental, and provides various information booths from support agencies around the base.