Tactical Concealment Air Force Tech. Sgt. Israel Garza explains tactical concealment using M18 smoke grenades to Niger Armed Forces partners at Niger Air Base 201, Jan. 2, 2019. The tactical knowledge shared with partner forces helps increase capabilities to combat violent extremist organizations to promote peace and stability in the region. Air Force photo by Staff Sgt. Daniel Asselta SHARE IMAGE: Download Image: Full Size (2.53 MB) Tags: Concealment, BDG, M18, 820th BDG, Air Force, AFRICOM, Africa, AFAFRICA, Smoke Grenade, Tactical Movement, Air Signaling Photo By: Staff Sgt. Daniel Asselta VIRIN: 190102-F-UN842-543.JPG Photo Gallery