Structure Exit Army Pfc. Emanuel Olvera, left, and Sgt. Laththuwahandi De Silva, both from 3rd Platoon, 22nd Engineer Clearance Company, exit a structure after identifying two mock casualties during the Guardian Response 18 disaster response exercise at Muscatatuck Urban Training Center, Ind., April 22, 2018. Army National Guard photo by Cpl. Elizabeth Scott SHARE IMAGE: Download Image: Full Size (1.55 MB) Tags: #GuardianResponse18, #VibrantResponse18, #GR18, #VR18, #ARNORTH Photo By: Cpl. Elizabeth Scott VIRIN: 180422-Z-GG783-147.JPG Photo Gallery