Dummy hand grenades are used by the Marines from the 3rd Low Altitude Air Defense Battalion, for practice before throwing the M-67 Fragment Grenades at the firing range.

CAMP LEMONIER, Djibouti (Jan. 23, 2008) Dummy hand grenades are used by the Marines from the 3rd Low Altitude Air Defense Battalion, for practice before throwing the M-67 Fragment Grenades at the firing range. The Marines will be firing the M203 Grenade Launcher, AT-4 and throwing M-67 Fragment Grenades for practice while deployed with the Combined Joint Task Force-Horn of Africa. U.S. Air Force photo by Tech. Sgt. Jeremy T. Lock File# 080123-F-1644L-031