Original WWI / WWII U.S. Gas Alert Trench Gong Alarm British Awards Medals Badges Insignia the M1 grenade projection adapter

the M1 grenade projection adapter was well liked by the troops

The Revolutionary and Civil Wars had some use of unit insignia but it was never coordinated in any official government/military capacity

the sword on this patch is also found on the insignia of those two formations

If it was a Trials piece we do not know

Original WWI / WWII U.S. Gas Alert Trench Gong Alarm British Awards Medals Badges Insignia the M1 grenade projection adapterOriginal item: Only One Available. Gas Warfare, now banned by International Treaty, was first introduced in WWI on the Western Front, and the results were devastating. Soon everyone was issued with a gas mask and was required to carry one at all times. With all the noise in the trenches, this gong style system was adopted to alert soldiers in the trenches of an impending attack. These gongs had a totally unique sound, and were quite jarring. They were