The M1 was a United States chemical

landmine A land mine, or landmine, is an explosive weapon often concealed under or camouflaged on the ground, and designed to destroy or disable enemy targets as they pass over or near it. Land mines are divided into two types: anti-tank mines, whi ...

. It was developed in 1939, and consisted of a one gallon (4.5 liter) gasoline can filled with 9.9 lbs (4.5 kg) of

mustard gas Mustard gas or sulfur mustard are names commonly used for the organosulfur compound, organosulfur chemical compound bis(2-chloroethyl) sulfide, which has the chemical structure S(CH2CH2Cl)2, as well as other Chemical species, species. In the wi ...

agent. As issued, it had no bursting charge or

fuze In military munitions, a fuze (sometimes fuse) is the part of the device that initiates its function. In some applications, such as torpedoes, a fuze may be identified by function as the exploder. The relative complexity of even the earliest fu ...

, but required a bursting charge of detonating cord to be attached via soldered tabs on the outside of the can.

References

Land mines of the United States Chemical weapon delivery systems Chemical weapons of the United States {{weapon-stub