The TM 31-210 Improvised Munitions Handbook is a 256 page United States Army technical manual intended for the United States Army Special Forces. It was first published in 1969 by the Department of the Army. Like many other U.S. military manuals dealing with improvised explosive devices (IEDs) and unconventional warfare, it was declassified and released into the public domain as a result of provisions such as the Freedom of Information Act (FOIA), and is now freely available to the public in both electronic and printed formats.
The manual describes the manufacture of various types of ordnances from readily available materials, from junk piles, common household chemicals and supplies purchased from regular stores.
The manual is one of the best official references on improvised explosive devices (IEDs) manufacturing, and some of the weapons described in it have been used against U.S. troops by foreign troops. For example, the hand-grenade-in-a-can trap was used against U.S. troops in Vietnam, and the water-in-a-bucket timer was used by Afghan guerrillas to launch rockets against U.S. military bases.
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