Unexploded WWII Munitions Remain Deadly

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Weekend Warriors BEWARE:

Even today, thousands of WWII vintage munitions remain "deadly"

Still functional "booby traps," hidden landmines and unexploded shell casings are among the many surprises MIA specialists contend with.


by Marauder Joel Rex, Training Instructor, U.S. Army Hazardous Devise School, Redstone Arsenal, Alabama

Tropical breezes and the open seas.  Seemingly endless natural beauty and the lure of distant islands.  The wondrous feeling we experience when giving the gift of closure to a family who once sacrificed a loved one to gain the bounty of joys that freedom brings to each of us today.   

Journeying to the far-flung battlefields of the Pacific can be a very fulfilling experience.  But heed a word of advice: there is an element of man-made danger lurking in the lush jungles once you step off the tourist's beaten path – a danger more malevolent than Mother Nature's predators. 

For MIA hunters like me and my Marauder teammates, this danger is a man-eater, thirsting for one of us to make that fateful wrong move so it can tear us all limb from limb.

Unexploded Military Ordnance.

In the hunt for MIAs throughout the Pacific, it is common to chance upon a vast array of unexploded, vintage munitions and projectiles.

Marauder Matt Christiansen (out of picture) in the process of disarming this WWII vintage Japanese type JE Anti-boat mine. It weighs 106.5 lbs and has 46.5 lbs of type 98 explosive filler inside.


Some were manufactured by the U.S. and Allied countries.  But the majority that we find today -- still strewn across 20th Century Pacific battlefields by the tens of thousands – are those expended by Japan.  Late in World War II, that nation was desperately lacking in natural resources – including the chemicals needed to stabilize explosive compounds.

“Japan would reduce the amount of stabilizing additives packed into one explosive in hopes of manufacturing two or three more at a reduced cost.  This practice made all Japanese explosives hard to handle 60 years ago -- and even more dangerous to handle today.” 

Stash of unexploded Japanese mortar shells found in a cave in the Marianas Islands. The cave was a former Japanese defensive stronghold.


The majority of Imperial Japan's munitions are grossly unstable. Wartime Japanese military ordnance manufacturers  also used an acid-based explosive that, with time, degrades into a kind of salt known as "picrates". 

 

These salts are extremely sensitive. The slightest jar or even the abrupt change in altitude caused by picking them up then suddenly can be enough to detonate their explosion. 

Even if you have disciplined yourself not to react with excitement when you find a unique piece of ordnance in the jungle, there are still many unforeseen dangers.

Pins that once allowed grenades to be transported by a soldier in the field have, with time, rusted away, making the once-safe weapon into a lethal booby trap just waiting for someone to mistake it for a fallen fruit or a stone and kick it out of the way.  

Many larger Japanese exploding devices -- like anti-tank mines -- have brass fuses with cocked firing pins that will explode with the slightest jar. Some munitions have a color code or stenciled shapes which reveal what is inside. 

But these markings are tricky even for experts.  Time has worn away the stencils and faded the color codes, so what a shell or mine contains is anyone's guess.  The danger isn’t only from high explosives; chemical or biological agents were also used by the Japanese in numbers most people today wound find utterly shocking. 

The problem that remains paramount on every Marauder's mind is the booby-trap, the lethal surprise left purposefully behind by the enemy soldier – or even the friendly one.

Armies tend to place booby traps in locations they occupy, but which they suspect may soon be overrun by an advancing enemy.  This was exactly

Unexploded Japanese grenades blend in so well  that they are virtually indistinguishable from the foliage along this jungle trail.


the scenario unfolding in the Pacific Islands in the mid 1940’s. 

Many of these islands were honey-combed with thousands of caves and tunnels. My fellow Marauders and I have recently explored caves which have clearly seen no occupants since the days of the great war.  One was literally filled with munitions, floor to ceiling. 

To successfully explore these caves, you must find all the booby traps before you lose one or all of your team members.

Before we touch or move any item, we have one of our Explosive Ordnance Disposal Technicians positively identify the item and provide his fellow teammates with an operational assessment.  Our EOD Technicians together have over 40 years working with military munitions and have been involved in many military campaigns.

So here's the bottom line:  If you want to go looking for an MIA, call us. We'll be glad to help, and most importantly, help keep you safe


 

About Moore's Marauders...

Moore's Marauders is a non-profit organization that receives no government funding. We rely solely on your contributions to help us locate the 35,000 WWII MIAs the U.S. government maintains are still recoverable.

For as little as 30 cents a day, you can help us bring home the thousands who made the ultimate sacrifice so that we could live in freedom. Donate today.


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