Informal Meeting Defense Secretary Dr. Mark T. Esper meets with defense ministers at the Association Southeast Asian Nations -Defense Ministers' Informal Meeting in Bangkok, Thailand, Nov. 17, 2019. SHARE: Download: Full Size (1.3 MB) Tags: Defense Secretary, asean, Esper Credit: Army Staff Sgt. Nicole Mejia, DOD VIRIN: 191117-D-AP390-3068C.JPG Photo Gallery